TITLE:
ZIP Code Lookup

AUTHORS:
United States Postal Service
USPS National Customer Support Center

OTHER TITLES:
Zip Code Lookup
Zip Plus Four Code Look-up

SUBJECT CATEGORIES:
Reference and Popular Resources -- Addresses and Phone Numbers

SUBJECT KEYWORDS:
ZIP codes
ZIP code extenstions
Geographic abbreviations

SITE INCLUDES:
Address Management System (AMS) Office Locator
City/State/ZIP Code Associations
Official USPS Abbreviations
Vendors and Licensees
ZIP Code FAQs
ZIP+4 Code Look-Up Engine

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