Full list of United States ZIP codes. Organized per state and
county with the posibility to show on a map the selected city and
the entire county. Fast search by name or by ZIP code. Possiblity
to mark cities as favorites and review them later. Where available
there would be a link to Wikipedia with more information for each
city. You can also see the distance between you and the city
selected as well as the distance between the selected city and the
rest of the cities in the county.