Address Append Services

Address Appending Services for Direct Marketing Campaigns

Starting with an email address or phone number, we provide postal address information for your marketing campaigns. Add additional demographics or premium contact data based on your needs. We now offer contactability scoring for appended phone numbers to help your growing organization close more business.

Free Consultation

What is Address Appending? How Do I Get Started?

  • Address Append is a data enrichment process that starts with your existing database of contacts. With Accurate Append, you can bring your own list, or start with ours using hundreds of audience-building criteria.
  • Transfer your contacts file with the data points you have, such as name and phone number.
  • Our processes integrate public and proprietary data from multiple sources to add the best address.
  • We can work with just about any file to add new contact points.
  • Our append services can build off of mobile phones, landlines, or email addresses.
  • We can append from a phone number using a “reverse phone append” to return a name and postal address.
Contact Us To Get Started

Data Logistics You Can Trust for Your Marketing Campaigns

Accurate Append is a technology company focused on service, responsiveness, and security. We make it easy to instantly understand your results and we offer free match report tests to quantify the data improvements you can expect when you partner with us.

Authoritative Data Source

You need to know you’re calling the right person, at the right number, that they are likely to answer. That’s ADS Phones — our new premium matching and scoring service for discerning marketers.

Dedicated to Your Success

We specialize in creating the best data solutions to match your needs. Our teammembers are trained in stacking products to get the very best results from your data.


Frequently Asked Questions About Address Appending

Quality marketing data and customer lists are the fuel for a growing business.

IBM and Gartner have estimated that poor data costs businesses millions of dollars in losses each year — that’s why Accurate Append offers the best average match rates for your data enhancement projects.

Our specialty is providing the very best match rates by managing the premium data waterfall for you, so you can focus on running your business.

Yes! Direct mail campaigns typically get better response and conversion rates than email and advertising campaigns. If you want to expand your nonprofit donor base, address appends can help. Start with name and email or phone number for your target audiences, and we can provide postal addresses for your contact lists.

Direct mail is a great marketing tool for just about any consumer-serving business. Accurate Append’s data services are a great fit for higher education, mortgage lending and other real estate businesses, travel and hospitality, healthcare services, and marketing agencies looking to improve their customer lists and conversion rates.

In order to append the best address, please provide name and either phone number or email address, or both. Our services covers the United States.

We understand working with large data sets is complicated enough as it is, so our software safely appends phone numbers to the end of your record, keeping all of the other data in the file intact.

Pricing varies depending on the number of records in your job, the number of records for which we find matches and the types of enhancements that will best serve your project. Please contact our experts for a free analysis of your data and a detailed estimate.

Yes! We will use an existing name and address to append mobile phones, landline phones and/or email addresses to your list of contacts.

You may receive results in a matter of minutes after submitting your file for processing, depending on the size of your file. 90% of orders are completed the same business day.

Notable Partners


Reverse Phone Append Services

Reverse Phone Appending Services to Reach More Leads and Prospects

What is a reverse phone append? Our service starts with your database of customer, supporter, or prospect phone numbers. Using multiple data sources, we enrich your data with the most current and accurate postal addresses and additional information like mobile phones and customer demographics.

Free Consultation

What is Reverse Phone Appending? How Do I Get Started?

  • Reverse Phone Append is a data enrichment process that starts with your existing database of contacts. With Accurate Append, you can bring your own list, or start with ours using hundreds of audience-building criteria.
  • Transfer your contacts file with the phone numbers you already have — even if they are out of date.
  • Our processes integrate public and proprietary data from multiple sources to add and verify additional information, from contacts to demographic and predictive data.
  • We can work with just about any file to add new contact points.
  • Our reverse phone appends cover both mobile and home phones.
Contact Us To Get Started

Data Logistics You Can Trust for Your Phone Campaigns

Accurate Append is a technology company focused on service, responsiveness, and security. We make it easy to instantly understand your results and we offer free match report tests to quantify the data improvements you can expect when you partner with us.

Authoritative Data Source

You need to know you’re calling the right person, at the right number, that they are likely to answer. That’s ADS Phones — our new premium matching and scoring service for discerning marketers.

Dedicated to Your Success

We specialize in creating the best data solutions to match your needs. Our teammembers are trained in stacking products to get the very best results from your data.


Frequently Asked Questions About Reverse Phone Appending

In order to append the information available we ask that you provide a full number plus any additional contact information from your database. Including a last name with the existing phone number is particularly effective. Our service covers the United States.

We understand working with large data sets is complicated enough as it is, so our software safely appends phone numbers to the end of your record, keeping all of the other data in the file intact.

Pricing varies depending on the number of records in your job, the number of records for which we find matches and the types of enhancements that will best serve your project. Please contact our experts for a free analysis of your data and a detailed estimate.

Yes! We will take your list of phone numbers and append additional contact information and other demographics based on your marketing campaigns.

You may receive results in a matter of minutes after submitting your file for processing, depending on the size of your file. 90% of orders are completed the same business day.

Yes, we offer multiple phone append APIs. These APIs support standard phone append in addition to reverse phone append. More information is available on our API page.

Notable Partners


Reverse Email Append

Reverse Email Append Services that Improve Audience Data

Email is one of the most effective ways to reach leads and customers, but if you need to improve outreach and contact rates to grow your organization, count on Accurate Append. Provide an email address in batch or through our API and we’ll enrich your contact using reverse email appending.

Free Consultation

What is Reverse Email Append? How Do I Get Started?

  • Reverse Email Appending starts with your customer or supporter email database.
  • We use a proven process to assess your contact records and reliably match them to our premium data sources.
  • Using secure FTP or our API, we enrich matched email addresses with your desired audience information.
Contact Us To Get Started

Trusted Results

Our proven processes ensure you get back most accurate contact data for your growing organization. We make it easy to get the results you want with contactability scores and email verification.

Constant Improvement

Accurate Append is always improving our data with real-time sources and enrichments so you can count on getting the most matches and most up-to-date information on your audiences.

Premier Support for Your Campaigns

We want your ongoing business and referrals — that’s why we offer every customer expert support and the custom data solutions and advice you need to succeed.


Frequently Asked Questions About Reverse Email Appending

Your successful marketing campaign is just one step away! If you have a name and an email address, even an old email address!, we can provide additional contact information for your consumer marketing database.

Our reverse email append services are popular with growing SMEs that want to improve contact rates for email, phone, and direct mail campaigns. Provide a customer list or supporter database for with email address using secure FTP,  our API, or use the self-serve website and we’ll match and append the additional information you need to reach your target audience.

Accurate Append is continually improving our data waterfall to provide the highest quality data and the most matches through a mix of proprietary and premium partner data. Your marketing and sales projects deserve the very best. Reach current customers on more marketing channels today!

Our technology processes pinpoint the right person and their current contact information. An older address is enough to start the process and help us find the maximum number of deliverable emails for the people in your audience.

We understand working with large data sets is complicated enough as it is, so our software safely appends emails to the end of your record, keeping all of the other data in the file intact.

Yes, email verification is one of our services, and in many cases we can even add usable email addresses to records that come back as undeliverable. This service can be very helpful for updating your email database that hasn’t been used in some time, or where more and more addresses are bouncing.

Pricing is based on record count, the appends that are ordered, and how frequently files are submitted for appending.

You may receive results in a matter of minutes after submitting your file for processing, depending on the size of your file. 90% of orders are completed the same business day.

Yes! We will use your existing email address locate the matching name and postal address. We can also match landline and mobile phone numbers if needed for your campaign.

Notable Partners


Demographic Append

Understand Your Target Audience with Our Demographic Append Services

Use demographic append to enhance your data with demographic attributes that will help you increase the effectiveness of your marketing campaigns.

Free Consultation

What is Demographic Appending? How Can It Help Your Business?

Demographic append is the process of supplementing your customer data with information such as birth year, gender, income, credit score, education level, and other demographic aspects. Through demographic appending, businesses can benefit from the following:

  • Increase your targeting efficiency: By understanding the demographic details of your clients, you can separate them into different groups and tailor your promotional content to each.
  • Utilize customer demographics to gain insight: Studying your customers' demographics can give you valuable information about their habits and likes, which can help you discover new opportunities and enhance existing products and services. By getting to know your target market, you can create more compelling promotions that will result in increased conversions.
  • Increase ad effectiveness: Utilizing demographic data can help you pinpoint the most profitable sections of your target market and direct your marketing dollars accordingly.

Demographic appending is an effective technique for companies attempting to gain insight into their target consumers and promote expansion.

Contact Us To Get Started

Improve Marketing Campaign Performance

Accurate Append not only appends the highest possible quality of demographic attributes but just as important, appends the right information to the right person using our proprietary Right Party Algorithm.

Identify Common Attributes For Your Best Prospects and Customers

Accurate Append maintains an industry leading demographic database allowing our customers the highest possible quality of demographic attributes appended to their lists.

Expert Support and Advice

We specialize in deep, long-lasting support customized to your needs. Your success and growth are our business model, and we’re building the products and custom solutions to prove it.

Demographic Append - Frequently Asked Questions

Our demographic append service includes characteristics such as gender, age, year of birth, years in school and education level, estimated household income, modeled credit score range, head of household, presence of children, ethnic group, marital status, voter age demographics, length of residence, median home value, and homeownership indicator.

Our demographic append service can fit the criteria you have determined will result in a successful marketing campaign. We can provide data points covering demographics, financial information, and data enrichments such as job title and other professional information about your customer database. We can also help create “lookalikes” from our expanded database of U.S. consumers, giving you more potential customers to reach with your marketing efforts, including phone, email address, and direct mail outreach.

The typical match rate is 50%.

At part of our proven process, we will test a random selection of your data to determine match rate for various demographic append products. This test will give you deeper understanding and insight into the enhancements we can provide for your customer lists and database. Our team will then provide you with a detailed estimate for your desired products.

Contact our team today to get a free evaluation of your file and the products we can offer to improve your marketing efforts. You can use our U.S. consumer marketing database to grow your customer database, or start with postal addresses, email, and names and phone numbers from your existing lists.

Most files are processed in a matter of hours.

Yes, our demographic append service is an excellent source of US voter demographics and voter age demographics.

Notable Partners


Data Append

Data Append Services to Fuel Your Organization's Growth

Our team of experts is dedicated to your success. Join hundreds of businesses that trust Accurate Append for premium solutions for their sales and marketing projects.

Free Consultation

What is Data Appending? How Can It Transform Your Business?

  • Data appending by Accurate Append combines billions of data points from public records and premium partnerships, including changes of address, landline and mobile phones, emails, consumer preferences, dates of birth and more. This data supplements the information in your database and improves the quality of your data.
  • Dun & Bradstreet found that one third of businesses have lost customers or renewals due to incomplete data.
  • We work with your lists to provide the most powerful and comprehensive solutions for your sales, marketing, and outreach needs. We offer quality, quantified.
  • You can expect improved contact rates of 20% or more using our data append solutions.
  • Reach customers and prospects accurately across more channels with phone, email, and postal address verification and appends.
  • Get graded phone numbers and improve close rates.
Contact Us To Get Started

Data Appends Save Time and Make Money

Accurate Append’s solutions are backed by decades of technology leadership and the best partnerships in the sector. We work with regulated industries, voter files, fundraising data and more — all in a secure environment with round-the-clock processing. We understand that every growing organization has different challenges that’s why all of our processes are customizable to your needs. Give us a call and get started today.

Call us at 888-979-9813 for a free consultation

Proven Data Append Services, Because You Need Results

Landline and Mobile
Phone Append

New Authoritative Data Source phones score and enhance your list with prioritized, verified numbers. We help you get more out of your calling campaigns.

Email
Append

With a database of 900 million emails and a triple-scrub process, we can refresh and enhance your lists for remarkable results.

Email
Verification

Real-time validation means better inboxing and fewer bounces for your email campaigns.

Demographic
Append

We provide several core demographic append products that will help you better understand your audience and target your campaigns.

Lead
Validation

Prioritize real leads and respond instantly with our real-time lead validation services. Validate, verify, and enhance your leads.

Address
Append

Update moves and mailing address with as little as a name, street address, city, and state. Add phone, email, and demographic information for your top audiences.

NationBuilder
App

Join hundreds of campaigns that use Accurate Append to validate, verify, and enhance voter and donor records right inside their nations. Get better results right away.

Developer API &
Real-Time Sync

Integrating customer data integrity into your business processes doesn’t have to cost hundreds of thousands of dollars. Benefit from our leading data partnerships and technology leadership today.

Expert Data Logistics for Your Success

We help growing businesses make the most of their time and resources by integrating the best data from the best sources using the best in today’s technology. Our premium processing and matching algorithms provide speed, accuracy, and security to every job. It’s quality, quantified.

Your One-Stop Shop for the Best Data

Real-time processing and tens of millions of updates each month give you the edge in your sales and marketing campaigns. We’ve developed proven partnerships to give you complete and timely results every time you run a file with us.

Self-Service, Secure Batch, API, and Custom Products

We can work with any file — including millions of records — and any format to provide the best results. Simply put, if you can send or upload your records, we can append them.

Get an Estimate
Today

Our expert data consultants can evaluate your needs to provide the best solutions, and even provide a free match report test to determine how much we can improve your contact files.


Lead Validation

Close More Sales and Grow Faster with our Lead Validation Services

Verify and enhance your leads in real-time and ensure that you’re following up with the prospects that matter most. Fill in contact details and add demographics and other customer attributes.

Free Consultation

The Best Way to Ensure Lead Authenticity

Accurate Append’s lead validation is the most definitive tool available to solve the number one problem for online marketers – “is my lead good or bad?” Accurate Append will provide the answer in the form of actionable data in a matter of seconds.

Instantly Research Your Prospects

We’ll tell you whether an email address is real, and enhance incomplete leads by adding name, phone number, age, email address and U.S. postal address — from minimal or incomplete form data. Actionable customer intelligence, in seconds.

Expert Support and Advice

We specialize in deep, long-lasting support customized to your needs. Your success and growth are our business model, and we’re building the products and custom solutions to prove it.


Lead Validation & Enhancement Solutions

All solutions listed below are available 24/7/365 as a Batch Service or real-time API.

Email
Verification

Reduce bounces and flag spam and fraud. Verify your email addresses, in real time, before you act.

Lead
Validation

Validate, verify and enhance leads in real-time. Enhance your leads with fresh emails and phone numbers.

Demographic
Append

Use our demographic append API to enhance your database with demographic attributes.

Reverse Append

Discover full name and US postal address with as little as an email address or phone number.

Phone
Append

Append and score cell phone and landline quality with Authoritative Data Source phone append.

Email
Append

Append verified deliverable email addresses in real time with AccuSend email append.

Customized to Fuel Your Success

SOC 2 and HIPAA compliant, we offer custom solutions for regulated industry and fast-growing startups alike. Our proven technology stack supports customizations and quick deployment to accelerate your projects and campaigns.

Call us at 888-979-9813 for a free consultation

Notable Partners

Easy Integrations

Integration is easy with RESTful architecture, full documentation and codes samples.

Available Where You Need It

Cloud based RESTful API interface or Batch Service can be accessed from anywhere.

Compare Our Results

With the highest possible uptime and fastest response times the service will always be available when you need it.

Top Data Logistics, Built for You

We combine the best available public data with curated, proprietary databases to give you the best, most reliable data possible.

Frequently Asked Questions About Lead Validation

Provide existing data using SFTP, our self-service platform, or real-time API and get back verification and additional fields based on your custom needs.

By verifying emails and phone numbers and adding additional information such as income information, you can ensure the accuracy and fit of a lead before reaching out by phone or adding lead information to your database.

Marketing and lead acquisition is one of an SMEs largest costs. By validating leads before investing sales time, you’ll not only reduce wasted time chasing poor-quality leads, you’ll gain the data you need to better target your marketing efforts.

Clients use our APIs and batch processes to verify emails and other contact information, and to supplement lead data with additional fields including contacts and demographic information.

With lead validation, you’ll quantify your marketing efforts. Straight North used an analysis of more than 373,000 inquiries to determine that 85% of customers converted on their first visit, while roughly 50-percent of “leads” were not sales inquiries. Lead validation gives you the data to successfully grow your sales and marketing efforts and invest in real returns.

Contact Us To Get Started

Phone Append

Phone Appending Services That Increase Right-Party Connects

A phone append is when you provide a sales or marketing data file and we add verified landline and mobile phones. We now offer scoring for each number to help save your growing organization time and money.

Free Consultation

What is Phone Appending? How Do I Get Started?

  • Phone Append is a data enrichment process that starts with your existing database of contacts. With Accurate Append, you can bring your own list, or start with ours using hundreds of audience-building criteria.
  • Transfer your contacts file with the data points you have, such as name and address.
  • Our processes integrate public and proprietary data from multiple sources to add, verify, and score matched numbers.
  • We can work with just about any file to add new contact points.
  • Our phone appends cover mobile and home phones, including grades based on how recent a number has been active.
  • We can also start with phone number and use a “reverse phone append” to add additional information such as email addresses and even demographics.
Contact Us To Get Started

Data Logistics You Can Trust for Your Phone Campaigns

Accurate Append is a technology company focused on service, responsiveness, and security. We make it easy to instantly understand your results and we offer free match report tests to quantify the data improvements you can expect when you partner with us.

Authoritative Data Source

You need to know you’re calling the right person, at the right number, that they are likely to answer. That’s ADS Phones — our new premium matching and scoring service for discerning marketers.

Dedicated to Your Success

We specialize in creating the best data solutions to match your needs. Our teammembers are trained in stacking products to get the very best results from your data.


Frequently Asked Questions About Phone Appending

In order to append the best phone numbers available we ask that you provide the following fields: full name, street address, city, state, and zip. Our service covers the United States.

Yes. We can provide the main landline for a business using a business’s name and mailing address.

We understand working with large data sets is complicated enough as it is, so our software safely appends phone numbers to the end of your record, keeping all of the other data in the file intact.

Pricing varies depending on the number of records in your job, the number of records for which we find matches and the types of enhancements that will best serve your project. Please contact our experts for a free analysis of your data and a detailed estimate.

Yes! We will take your list of phone numbers and append mailing address and other demographic information helpful to your campaign.

You may receive results in a matter of minutes after submitting your file for processing, depending on the size of your file. 90% of orders are completed the same business day.

Yes, we offer multiple phone append APIs. These APIs support standard phone append in addition to reverse phone append. More information is available on our API page.

Notable Partners


Email Append

Email Appending Services That Boost Business

Instantly improve your campaigns with verified emails. Reach prospects, donors, and voters with our trusted triple-scrub process and avoid email fails.

Free Consultation

What is Email Appending? How Do I Get Started?

  • Email appending is a data enrichment process of updating your customer database with the most up-to-date and accurate customer email addresses.
  • Bring your database or use ours: start with known contact info and add verified email addresses.
  • Our append technology runs your outreach file through three series of checks to provide deliverable emails most likely to reach the inboxes of your audience.
  • Before delivery, we triple-scrub each email address to ensure maximum deliverability.
  • Have emails but no phone number or addresses? A “reverse e-mail append” can help complete your contact records and even add demographic information.
Contact Us To Get Started

Remarkable Inbox Results

Our email append processes ensure you get back only real, deliverable emails. We make it easy to get the results you want by avoiding addresses that could cause SPAM problems.

Up to 18 Million Updates a Month to get You the Best Matches

We provide dynamic results from a constantly updated database of nearly 1 billion email records. Your matches are verified as deliverable in real time.

Premier Support for Your Campaigns

We want your ongoing business and referrals — that’s why we offer every customer expert support and the custom data solutions and advice you need to succeed.


Frequently Asked Questions About Email Appending

Our technology processes pinpoint the right person and their current contact information. An older address is enough to start the process and help us find the maximum number of deliverable emails for the people in your audience.

There’s no need to reformat your file. We will add new information to the end of your records without disturbing its original format.

Yes, email verification is one of our services, and in many cases we can even add usable email addresses to records that come back as undeliverable. This service can be very helpful for updating your email database that hasn’t been used in some time, or where more and more addresses are bouncing.

Pricing is based on the size of your list and the details of your order. Our data experts can provide a free consultation and an analysis of your file with a detailed cost estimate.

You may receive results in a matter of minutes after submitting your file for processing, depending on the size of your file. 90% of orders are completed the same business day.

Yes! We will use your existing email address locate the matching name and postal address. We can also match landline and mobile phone numbers if needed for your campaign.

Email is the single largest channel to reach consumers online, with a reach twice as large as Facebook. Adding verified, contactable emails to your database means you can quickly and easily reach your customers and prospects using this cost-effective channel. The Direct Marketing Association estimates a 40x return on investment in email marketing and 80% of SMEs rely on email as their primary customer acquisition and retention channel.

Notable Partners


Services

Is your data incomplete or outdated?

Our mission: As a contact data append solutions provider, Accurate Append helps businesses more efficiently connect with their customers and prospects.

Free Consultation

Our Core Solutions

List
Building

Bring your list, or use ours to grow a custom audience with hundreds of targeting options.

Email
Append

Append your customer list with the most reliable email contact data available.

Phone
Append

Add quality phone numbers to existing prospect lists with AccuConnect phone append.

Email
Verification

Reduce bounces. Validate your email addresses, in real time, before you send.

Lead
Validation

Validate, verify, and enhance leads. Determine if the person submitting the form is in fact a real lead.

Address
Append

Add postal address, email address, phone number and demographic attributes to as little as a name, city, state.

Demographic
Append

Demographic append enhances your database with demographic attributes.

API
integration

Integrate Accurate Append’s data append and hygiene capabilities directly into your business processes.

The Best Data Append Solutions

We’ve worked with many industries to provide complete data append solutions – from real estate to home improvement to nonprofit fundraising. We’re happy to use our decades of experience in the data appending business to provide customized solutions for your data quality needs. We understand that every organization’s challenges are unique, so give us a call to see how our data can go to work for you.

Call us at 888-979-9813 for a free consultation

What is data appending?

  • Your contact databases include incomplete and outdated entries.
  • Our consumer databases include billions of data points on U.S. consumers, such as the best landline and cell phone numbers, email addresses, postal moves, and extensive demographic information, from dates of birth to interests.
  • We’ll use proprietary algorithms to make a recipe that updates your data with the most complete information possible, based on your needs and specifications.