USA Zip Codes

The file ZipCodes_USA_1999.ov2, which is in TomTom Navigator POI overlay format, maps US ZIP Codes to co-ordinates. The ZIP Code data, for November 1999, was placed in the public domain by the U.S. Census Board. The dBase formatted data was converted to a TomTom Navigator overlay with the POI sorted alphabetically by State code. The file contains 42,192 entries each of which has the following data

Longitude, Latitude, "State abbreviation ZIP Code, Post Office name"
eg -71.01320,  43.00589, "NH00210, PORTSMOUTH" Size 537KB
Contents:ZipCodes_USA_1999.ov2, ZipCodes_USA_1999.bmp