Data Files
ZIP Codes by Area and District codes

The Excel spreadsheet lists ZIP Codes with the associated Area and District Codes.  

Contact Lists
MPE (Mail Processing Equipment) Service Provider Licensees

Marketing contact information for certified Mail Processing Equipment (MPE) licensees. 

Fact Sheets
Seamless Acceptance: Mailer Fact Sheet

Participation Criteria To participate in Seamless Acceptance all pieces must be uniquely barcoded, included in electronic documentation (eDoc) and mailers must meet the following requirements:

•Meet all the content and price eligibility standards for the price claimed.

     *There is no minimum activity specific to Seamless Acceptance.

•Prepare eligible volume as Full-Service

•Participate in the Seamless Parallel Program

•Participate in eInduction for DMU-verified origin entry or destination entry-drop shipments