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UnitedStatesZipCodes.org is the most comprehensive resource for United States zip code data.

USPS format is used for the listing of addresses. USPS abbreviations are used for both the street address and state, and there is no punctuation in the lines for the street address or city, state and ZIP code.

Is the hyphen in a ZIP+4® ZIP Code? number required? Yes, when using a ZIP+4 ZIP Code, the number must consist of five digits, a hyphen (or dash), and four digits.

The 2020?2022 edition of the Associated Press Stylebook says to write ?all-caps ZIP for Zone Improvement Plan, but always lowercase the word code.? But don't despair.

Primary state prefixes. ZIP Codes are numbered with the first digit representing a certain group of U.S. states, the second and third digits together representing a region in that group (or perhaps a large city) and the fourth and fifth digits representing a group of delivery addresses within that region.

Valid US ZIP Code Pattern US ZIP code (U.S. postal code) allows both the five-digit and nine-digit (called ZIP + 4) formats. E.g. a valid postal code should match 12345 and 12345-6789, but not 1234, 123456, 123456789, or 1234-56789.

In an address, place a comma after the street and between the city and state: 1714 North Harvey Street, Griffith, IN 46300. Do not place a comma between the state and the ZIP code.

The most complete ZIP Code is a nine-digit number consisting of five digits, a hyphen, and four digits, which the USPS describes by its trademark ZIP+4. The correct format for a numeric ZIP+4 code is five digits, a hyphen, and four digits.

Google Maps has added a feature where it will highlight in a pink color the borders of a city, postal code or other borders based on your search. To see it yourself, go to Google Maps and search for a city name or even a zip code.

A ZIP Code indicates the destination post office or delivery area to which a letter will be sent for final sorting for delivery. ZIP Codes designate delivery routes used by mail carriers and areas serviced by the USPS. For further information on how they work and how to read them, keep reading.