Zip Code Information on the Internet
Free ZIP Code Lookup
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National Address Server
, given a valid U.S. address, will give a zip+4 code. Also links to map programs to create a street map of the given address.
Zip Code Lookup and Address Information
, given a valid U.S. address, will generate a zip+4 code. From the U.S. Postal Service.
ZipFind
, finds the zip code of a given city, the distance between two zip codes, and the population and population density of a given zip code area.
Last updated November 21, 2000
