Data Files
06/07/2024
USPS Ship Data Dictionary

Detailed information on the USPS Ship (Formerly Package Platform) data elements available through the Informed Visibility Mail Tracking & Reporting (IV-MTR) application.

Announcements
06/04/2024
Counterfeit & Fraud Talking Points Memo

This document details upcoming changes for the August 1, 2024 file verification process.

Tech Guides
06/04/2024
API Tech Sheet

The USPS API Platform provides a dynamic, one-stop-shop of shipping capabilities to expand business reach
and increase efficiency. The USPS suite of APIs enables integrators to standardize an address, price a
package, create a label, find a USPS acceptance facility, schedule a carrier pick-up, and track a package from
entry to delivery. The USPS API platform also offers webhooks for near-real-time push notifications for tracking
events.

Announcements
06/03/2024
Counterfeit & Fraud Industry Webinar Schedule

Schedule for Counterfeit & Industry Webinars.  These webinars provide information on the upcoming changes for August 1, 2024.  There is allotted time for a live Question & Answer section where questions can be asked directly to USPS personnel.

Data Files
06/03/2024
May 2024 Nixie Volume

This spreadsheet contains the UAA statistics for May 2024.

Data Files
06/03/2024
ZIP Codes by Area and District codes

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

Data Files
06/03/2024
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
Release Notes
06/03/2024
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Release Notes

These release notes summarize new features and enhancements implemented in deployments to the IV-MTR application.

Tech Guides
06/01/2024
Zone Charts Matrix Technical Guide (Effective - June 2024)

This guide details technical information about the National Zone Charts Matrix. A few topics in this guide include Defining a Zone, Matrix File General Information, and Matrix Zone Determination.