What are Phone Append Services?

Phone append services match names, email addresses, and mailing addresses from existing customer lists with phone data to add accurate phone numbers. These services help businesses grow by enhancing their contact lists, which leads to better marketing efforts, increased sales, and improved customer communication.

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.
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 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.

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