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Leader in online list cleaning solutions!

Cleanlist provides organizations of all types and sizes with online access to the specialized software and databases necessary to clean, validate, correct and enhance their U.S. and Canadian contact lists. We are the leader in online list cleaning and we don’t take this lightly.

It's safe. And it's easy! But don't just take our word for it — register and see for yourself!

What we do

Cleanlist provides clients, across a variety of industries, with a broad set of contact list-related services that include list buying and renting, list cleaning, list enhancement and list suppression.

How we do it

We employ expert data specialists that use modern technology, continuously-updated data, and optimized algorithms to provide qualified data outputs for our clients. Our data is updated on an ongoing basis and comes from a variety of trusted sources.

Proud member of:


Canadian Marketing Association  Direct Marketing Associations  Association of Funraising Professionals  National Association of Major Mail Users

Call us at 1-800-454-0223 Email us
List Cleaning Services
Address Standardization & Correction
National Change of Address (NCOA)
Locatable Address Conversion System
Delivery Sequence File (DSF2™)
NCOALink™ TotalSource Enhancement
List Enhancement Services
Phone Number Append
Reverse Phone Append
Demographic Append
Gender Append
Ethnicity Append
List Suppression Services
Duplicate Elimination
DMA Mail Suppression / DMAchoice™
Deceased Suppression
Prison Suppression
Questions?
Need a quote?
Frequently Asked Questions
Call: 1-800-454-0223
Quick Contact Form:




The following trademarks are owned by the United States Postal Service®: CASS, CASS Certified, DMM, DPV, DSF2, eLOT, First-Class Mail, LACSLink, NCOALink, PAVE, Post Office, Postal Service, Standard Mail, U.S. Postal Service, United States Post Office, United States Postal Service, USPS, ZIP, ZIP Code, and ZIP + 4.

DSF2 processing is provided by a nonexclusive licensee of the United States Postal Service. The prices for NCOALink and DPV services are not established, controlled, or approved by the United States Postal Service.


Don't just listen to us. Here's what the Pros are saying about Cleanlist.
I especially appreciate when you are able to accommodate our last minute requests as I know you will always come through for us.
University of Toronto
Time and again, your team demonstrated great flexibility under rigid turnaround schedules without compromising the integrity of the data.
Experian Information Solutions
I have complete confidence in knowing that you will go the extra mile to solve the many technological problems that we stumble across during a project.
TD Bank Financial Group
Cleanlist is trusted by these companies