DATA SERVICES
PHONE APPENDS
Landline & Cell Phone Append Services
Multimedia LIST’S MOBILE AND LANDLINE Phone Append & Verification Services are the BEST in the industry.

Reliable and Efficient Information
As a reliable high speed phone appends service for businesses, MML makes use of a single file created using several national databases to deliver the most eligible information and phone numbers available.
Timely Delivery
We promise and deliver on time in a responsible way. On-time performance and delivery are of critical importance in direct marketing. We never delay things to cause inconvenience.
Reliable and Precise Reporting
The append reports of Multimedia Lists comprise of a state-wise report with all numbers of records explored and identified.
Tailoring the Quantity and Quality of Numbers Using Confidence Codes
The quality and quality of the returned numbers can be customized using our confidence codes.
Efficient Storage of Do Not Call Files including State DNC and FTC
Being an efficient and trusted high speed phone appends service for businesses, MML stores all “Do-Not-Call” files including Privacy Advocate, State Specific and FTC.
Verifying Process
A client’s list for phone number matches can be flagged with the help of the Phone Number Verification option. The file of the client needs to have a phone number, and it should be defined in the definition of the file. In order to treat a phone number as verified, the entire number including the area code has to match.
Why Choose Our Phone Append Services?
Wide Coverage
We provide access to the largest national databases, ensuring that we can append phone numbers for a vast array of contacts, including both landline and mobile numbers. Our extensive database coverage ensures you have the most up-to-date information for your marketing needs.
Our advanced, multi-step phone append process is designed to deliver the highest match rates possible. By cross-referencing your data against several powerful databases, we ensure that as many records as possible are appended with accurate phone numbers, helping you maximize outreach and engagement.
At Multimedia Lists, we prioritize data accuracy and reliability. We source information from trusted, regularly updated national databases, ensuring that every phone number appended to your list is both valid and verified. With our service, you can trust that your contact data is always up-to-date and accurate.
We understand the importance of time in direct marketing. That’s why we offer fast processing to ensure that your data is returned quickly, allowing you to proceed with your campaigns without unnecessary delays. Our efficient systems are designed to deliver fast, reliable results, helping you stay on schedule with your marketing efforts.
Who Can Benefit from Our Phone Number Appending Services?
Marketers and Advertisers
Enhance outreach campaigns with accurate phone data for effective customer engagement.
Nonprofits and Fundraisers
Reach donors more effectively through updated contact information.
Educational Institutions
Update student and alumni records for better engagement and fundraising efforts.
Financial Services
Verify client phone numbers to ensure seamless communication and compliance.
E-commerce Businesses
Improve customer communication by appending verified landline and mobile numbers.
Real Estate Professionals
Connect with potential buyers or renters using reliable phone data.
Healthcare Providers
Confirm patient contact details to streamline appointment reminders and follow-ups.
Small and Medium Enterprises
Boost customer interactions with a comprehensive and accurate phone append services.
High Speed Phone Append Service for Businesses
The Telephone Landline/Cell Phone Append & Verification Process
The volume and quality of our phone append processing is unrivaled!
Step 1
Records are processed against four of the largest compiled databases in the country, and can now include Cellular Telephone Numbers. After the records are run through the initial append process, the non-matched records move on to step 2 of the phone append & verify process.
Step 2
The non-matched records through our Directory Assistance phone append database. This database, updated weekly, consists of every household and business in the US. From this file, we carry up to 7 numbers per record, helping to increase matches on the verification process.
Step 3
The third step runs all non-matched records through our Daily New Connects and Disconnects. Match rates are typically lower from the third pass, however these records are the freshest and most up to date.
Contact a sales representative for additional questions and pricing on our phone append and verify services. We will be happy to assist you with a FREE phone append and / or verify test, along samples of any of our reports.
Try our phone appending servicestoday. Call one of our sales representatives at 1-800-239-LIST (5478) or email [email protected]
Why Append Phone Numbers?
It is essential for businesses looking to enhance communication and maximize outreach efficiency. Here’s why it matters:
Expand Your Reach
Add missing landline and mobile numbers to your existing records to connect with a larger audience.
Boost Campaign ROI
Directly engage with customers through personalized calls and texts, driving higher response rates.
Ensure Data Accuracy
Match and verify phone numbers using updated and trusted databases for reliable results.
Compliance Guaranteed
Stay aligned with federal and state Do-Not-Call (DNC) regulations while appending numbers.
Seamless Integration
Appended phone numbers can be effortlessly integrated into your CRM or marketing platforms.
Targeted Engagement
Use confidence codes to prioritize high-quality numbers for more effective campaigns.
Real-Time Updates
Access the latest connects, disconnects, and number changes for dynamic and fresh data.
Cost Efficiency
Save time and resources by reaching verified numbers, reducing wasted effort on outdated contacts.
How are we able to do it?
As a data compiler, the solution was easy — we simply take less of the profit and pass the savings down to our clients!
For more information, call 1-800-239-LIST (5478) or email Daniel Klibanoff [email protected].
Frequently Asked Questions
How long does it take to append phone numbers to my database?
Are your phone append services available for both B2B and B2C data?
What is the "confidence code" used in phone appending services?
How accurate are the results from phone number appending services?
The accuracy of the results depends on the quality of the input data and the databases used. Multimedia Lists provides high match rates, ensuring the appended phone numbers are as accurate as possible.
What is the cost of your phone appending services?
It varies based on the size of your data, the type of records you’re appending, and your specific needs. Contact our sales team for a customized quote based on your requirements.