Postal Service (U. S. P. S.) Links
Free Matter for The Blind (Information)
Provides information as to proper use of free matter for the blind mail.
United States Post Office
Look up Zip Codes, postal rates, locate a post office and much more.
United States Post Office Zip Code Locator
Locate Zip Codes for the United States. Works with screen readers.
United States Zip Codes.org
Offers a variety of resources for locating Zip Codes as well as a wealth of information about them.
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