FAQs
05/05/2025
Intercept FAQs

This FAQ document contains FAQs related to the Package Fraud Prevention Team's Intercept Process

Data Files
05/05/2025
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
Announcements
05/02/2025
Post Office/ZIP Code Entries for Postal Bulletin 5/15/2025

This spreadsheet provides details on the Post Office/ZIP Code entry changes for Postal Bulletin issue 5/15/2025.

Publications
05/02/2025
Data Files
05/02/2025
ZIP Codes by Area and District codes

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

Data Files
05/01/2025
April 2025 Nixie Volume

This spreadsheet contains the UAA statistics for April 2025.