USPS RIBBS
File Name and Description:
Address Information Systems (AIS) Products Technical Guide
AIS Viewer User's Guide
Glossary of Postal Terms
OneCode ACS® Technical Guide
Replaces Pub 8B
Publication 8 - ACS™ Product Information Guide
Publication 28 - Postal Addressing Standards
Topological Integrated Geographic Encoding & Referencing System TIGER/ZIP Technical Guide
Listing of available Locale Type Codes
Postal Addressing Standards for Puerto Rico and US Virgin Island (English)
Postal Addressing Standards for Puerto Rico and US Virgin Island (Spanish)