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Find all the information about US ZIP codes and their corresponding cities.

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Find postal codes for any address in the world in our comprehensive free zipcode database. Demographics, economy, housing and social facts may also be available.

There are more than 96,343 ZIP+4 codes of District of Columbia U.S. in this website, including ZIP Code, Plus 4, Range, Record Type, Carrier Route, Street, Address Number, City Name, County FIPS and State Abbr etc.

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Complete and up to date directory of Japan zip codes. It shows the location map for the zip code and the correct way to address mail to be sent to Japan.

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