U.S. POSTAL CODE DIRECTORY

Every U.S. ZIP Code.
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Find ZIP Codes by city, state, county, or number. Explore location details with a clean, easy-to-use directory.

✓ Browse by state✓ Search cities & counties✓ Explore ZIP+4 information

Directory coverage 42,735 ZIP Code records

York County Zip Codes

County	State	Zip Code	City	Area Codes
New York County	NY	10249	New York	212
New York County	NY	10256	New York	212
New York County	NY	10257	New York	212
New York County	NY	10258	New York	212
New York County	NY	10259	New York	212
New York County	NY	10260	New York	212
New York County	NY	10261	New York	212
New York County	NY	10265	New York	212
New York County	NY	10268	New York	212
New York County	NY	10269	New York	212

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ZIP codes are a system of postal codes used by the United States Postal Service (USPS) since 1963. The term ZIP, an acronym for Zone Improvement Plan, is properly written in capital letters and was chosen to suggest that the mail travels more efficiently, and therefore more quickly, when senders use the code in the postal address. The basic format consists of five decimal numerical digits. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the ZIP code, a hyphen, and four more digits that determine a more precise location than the ZIP code alone. The term ZIP code was originally registered as a servicemark (a type of trademark) by the U.S. Postal Service, but its registration has since expired.

ZIP codes designate only delivery points within the United States and its dependencies, as well as locations of its armed forces. There are no ZIP codes reserved for designating mail bound for foreign destinations (with the exception of U.S. military units stationed outside of the United States), and therefore, international outbound mail should not include a ZIP code in the delivery address. The last line of a foreign address must only show the name of the country of destination.

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