Phone Append
Phone Appending Services & API That Increase Your Right-Party Connects
Our industry-leading phone append services & API provide better phone numbers, leading to more connections and sales. Start with your leads list or customer database and get the industry’s best matches for landlines and mobiles.

What are Phone Append Services?
How Do I Get Started?
- 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.
- Our contact appending services can work with just about any file to add new data.
- Our phone append & API services cover mobile and home phones, including grades based on how recent a number has been active.
- We can also start with phone number to add additional information such as email addresses and even demographics.
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 contact appending 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.
Why Pick Accurate Append For Your Phone Appends?
Our services provide a comprehensive solution to enhance your customer contact lists. Here’s how it benefits your business:
- Complete and Current Contact Details: Adds current phone numbers to customer records, making your database complete and up-to-date.
- Effective Communication: Ensures precise targeting and engagement, improving the reach and effectiveness of marketing campaigns.
Phone Append Features:
- Data Matching: Compares your data against an extensive, updated database to find matching current phone numbers.
- Verification: Confirms that numbers are active and correctly matched to individuals, enhancing accuracy.
- Improved Contactability: Significantly reduces undelivered messages by updating old and incorrect numbers.
Phone Append Benefits:
- Enhanced Customer Targeting: Align phone numbers with customer profiles for accurate audience segmentation, allowing for personalized marketing strategies.
- Increased Conversion Rates: Tailored communication drives higher engagement and conversion rates.
- Personalized Interaction: Updated contacts enable personalized communication, building trust and fostering stronger customer relationships.
- Immediate Feedback: Offers a direct line to customers for quick feedback on products or services, leading to faster sales.
Our Phone Appending services expand your reach by increasing the number of contactable customers and significantly improving the quality of these contacts. These services ensure your marketing campaigns are efficiently targeted and more effective, directly improving your bottom line.
Frequently Asked Questions About Phone Appending
What is phone appending?
Phone appending is the process of updating missing or outdated phone numbers in a customer database to improve communication and marketing efforts.
How does phone appending benefit a contact list?
It enhances the list by increasing contactability, reducing undeliverable messages, and improving the effectiveness of telemarketing campaigns.
Why is improved customer targeting important?
Improved customer targeting allows businesses to execute more focused campaigns and gather direct feedback, leading to better marketing results.
What is the impact of phone appending on customer communication?
Phone appending allows for personalized interaction, immediate feedback, and a direct line to the customer base, improving overall communication.
Can phone appending enhance both the quantity and quality of contacts?
Yes, phone appending not only increases the number of reachable contacts but also enhances the quality of interactions for more effective targeting and feedback.
Email Append
Email Appending Services & API To Complete Your Contact Data
Instantly improve your campaigns with verified emails using our email append services & API. Reach prospects, donors, and voters with our trusted triple-scrub process and email enrichment processes.
We make email address appending easy, effective, and profitable. Contact us to get a better ROI today.

What are Email Appending Services?
How Do I Get Started?
- Bring your database or use ours: start with known contact info and add verified email addresses.
- Our email 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.
- Our email append API integrates with your systems for ongoing email enrichment.
- Have emails but no phone number or addresses? A “reverse e-mail append” can help complete your contact records and even add demographic information.
- Dun & Bradstreet found that one third of businesses have lost customers or renewals due to incomplete data. Appending email to your contacts helps resolve this.
- Append email address to your contacts in just a few clicks. Contact us to get started today!
Why Use Accurate Append For Email Appends?
Our Email Append services enhance your customer databases by adding missing email addresses and updating outdated ones. Here’s a breakdown of the benefits and features that can transform your business communications:
- Complete Email Records: Fills in missing email addresses and updates old ones, ensuring your contact list is comprehensive and current.
- Boosted Email Marketing: Enables more effective email marketing campaigns by expanding your reach and improving message delivery rates.
Email Appending Features:
- Targeted Data Matching: Match your customer records against a vast, up-to-date database to find and append the correct email addresses.
- Verification and Validation: Confirm the accuracy and validity of email addresses before they are appended to ensure high deliverability rates.
Email Appending Benefits:
- Increased Engagement: With accurate and updated email addresses, your campaigns reach more recipients, leading to higher engagement.
- Enhanced Customer Communication: Provides a direct channel for personalized marketing messages, promotions, and updates, fostering better customer relationships.
- Cost-Effective Marketing: Email is a cost-efficient marketing channel. Expanding your email list maximizes your reach without significantly increasing costs.
- Data-Driven Decisions: Enhanced email data supports segmentation and personalized targeting, allowing for more strategic, data-driven marketing decisions.
Our Email Appending services not only increase the size and accuracy of your email contact list but also significantly enhance the effectiveness of your email marketing efforts.
By ensuring your database is filled with valid, current email addresses, you can reach a wider audience, engage customers more effectively, and drive better campaign results.
Remarkable Inbox Results
Our email append process ensures 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.
Services
Is your data incomplete or outdated?
As a U.S. consumer contact data append solutions provider, Accurate Append helps businesses more efficiently connect with their customers and prospects.
Our Consumer Data Enhancement Solutions
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.

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.