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ZIP Code™ - The Basics - USPS
FAQs. By Address. Enter a corporate or residential street address, city, and state to see a specific ZIP Code ™. Find by Address. By City and State. Enter city and state to see all the ZIP Codes ™ for that city. Find by City & State. Cities by ZIP Code ™. Enter a ZIP Code ™ to see the cities it covers. Find Cities by ZIP.
United States Zip Codes provides a free zip code map and list of zip codes by state. Find zip codes by address, zip codes by city, or zip codes by state.
Mar 20, 2023 · Decoding the code. In 1983, the ZIP+4 Code was introduced. The extra four numbers enable mail to be sorted to a specific street. In 1991, two more numbers were added so that mail could be sorted directly to a residence or business.
City, State, and ZIP Code. To find the correct spelling of a city name or to find a ZIP Code, visit www.usps.com or call 1·800·ASK·USPS. Using the correct ZIP Code helps to direct your mail more efficiently and accurately.
Nov 1, 2013 · The eighth and ninth digits designate a “delivery segment,” like a specific side of a street, a floor in an office or apartment building, or a specific department within a large office.
ZIP Codes - USPS
