Peer-to-Peer Networking Event at the National Postal Forum

INFORMATIONAL: Officer Announcement - Vice President & Commercial Initiative

Mail.XML Technical Specifications R60.0.0.0 V2

Mail.dat Technical Specifications R60.0.0.0 V2

Automated Zone Indicator (AZI) Table

The AZI table lists each five-digit ZIP Code™ and is an indicator of the type of processing that typically takes place on letter mail destined for each ZIP Code. Each number in the file is a ZIP Code appended with a numeric zone indicator. The five numeric indicators are as follows:

1. Two Pass Zones: Automated two-step sector/segment at mail processing facilities
2. 876 Carrier Route Sort Zones: Automated incoming secondary carrier route sorting at plants
3. Carrier Route Barcode Sorter (CSBCS) Zones: Automated walk sequence sorting on CSBCS machines at delivery units
4. Delivery Barcode Sorter (DBCS) Zones: Automated walk sequence sorting on DBCS machines at plants [i.e., sectional center facilities (SCFs)] or at delivery units
5. Manual/Mechanized Zones: No automated sorting; no tracking code scans should be generated from facilities matched to these ZIP Codes

Mail Service Provider (MSP) - Full-Service Certified Mailers

A Mail Service Provider (MSP) offers a variety of solutions to prepare and present Full-Service presort mailings. For more information regarding Certified MSPs, please follow this link: https://postalpro.usps.com/full-service-cert/fact-sheet

Mail Service Provider (MSP) Application for Full-Service Certification

The application for enrollment in a voluntary program to become a certified Mail Service Provider. 

INFORMATIONAL: Business Customer Gateway eDoc Training Series – Intelligent Mail for Small Business Tool (IMsb)

ZIP Codes by Area and District codes

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

INFORMATIONAL: Scheduled Commercial System Release - Program Registration - May 5, 2024