Fact Sheets
10/22/2026
Intelligent Mail® for Small Business (IMsb) Fact Sheet

This fact sheet contains an overview of the IMsb Tool, its benefits, and how it works.

Fact Sheets
09/18/2026
ZIP Code Boundaries Briefing Sheet
Fact Sheets
09/17/2026
Emerging Roads Briefing Sheet
Fact Sheets
09/16/2026
USPS® Post Office and Blue Collection Box Location Dataset Briefing Sheet
Fact Sheets
08/13/2026
Addresses API - Tech Sheet
Fact Sheets
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.