National Change of Address

Since 2002

National Change of Address is used to update your mailing lists

Fast & Fully Automated

NCOAsource provides full 48-month USPS National Change of Address.

Any single file NCOA up to 17k rows: $45
No contract. No setup fees. Cancel anytime.

Since 2002: National Change of Address

National Change of Address makes USPS Address Updates (NCOA) information available to mailers, service bureaus, list owners,and database admins to help update addresses and reduce undeliverable mailpieces.

For Layout Questions: support@ncoasource.com

Keep your data updated

Getting started is easy:

Sign up to get a UserID in the system
Next, log in & complete the USPS PAF form
Then simply upload your list

What happens next?
Your data undergoes robust hygiene & dual-engine standardization. Then the names & addresses in your list are matched against the NCOA masterfile, which includes all the latest USPS address updates and contains approximately 160 million records & 48 months of permanent address changes.

Data formats accepted:

Excel (XLS/XLSX) preferred
TXT, CSV, Tab-delimited & Pipe-delimited

The USPS masterfile is typically updated on a weekly basis by the USPS. NCOAsource improves mail deliverability by checking the last 4 years' for individual, family, and business moves and providing mailers with current, standardized 5-digit ZIP Codes, 4-digit add-on codes, DPV, LacsLink, & CASS report.