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Fact Sheets
09/18/2026

ZIP Code Boundaries Briefing Sheet

09/17/2026

Emerging Roads Briefing Sheet

Fact Sheets
09/16/2026

USPS® Post Office and Blue Collection Box Location Dataset Briefing Sheet

08/13/2026

Addresses API - Tech Sheet
08/10/2026

USPS Addresses API - Completing PS Form 3553

Fact Sheets
07/31/2026

Commonly Asked Mailpiece Design Analyst (MDA) Customer Questions

Commonly asked questions and answers from MDA customers.

Fact Sheets
07/28/2026

IMpb/IMmb Electronic File Transmission Requirements

Fact Sheets
07/17/2026

Licensing Fees

This document contains information about licensing fees for USPS^® Licensed Products.

Fact Sheets
07/17/2026

Address Matching System API (AMS API) Licensing Fees

This document outlines the AMS API prorated fee structure. License fees are prorated for the initial license year with a license year beginning October 1 and ending September 30.

Fact Sheets
07/14/2026

Catalogs offer a unique marketing perspective to products and services and provide important value to the mailbox. As part of the July 14, 2024 price change, USPS published a new Catalog definition in the Domestic Mail Manual. Simultaneously, the Postal Service is offering a Catalog Incentive price discount of $0.001 per mailpiece to Catalog mailers who comply with the new Catalog definition and meet all other eligibility requirements for the Catalog Incentive.

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ZIP Code Boundaries Briefing Sheet

Emerging Roads Briefing Sheet

USPS® Post Office and Blue Collection Box Location Dataset Briefing Sheet

Addresses API - Tech Sheet

USPS Addresses API - Completing PS Form 3553

Commonly Asked Mailpiece Design Analyst (MDA) Customer Questions

IMpb/IMmb Electronic File Transmission Requirements

Licensing Fees

Address Matching System API (AMS API) Licensing Fees

Catalog Incentive Fact Sheet

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