Australian Post Code Search
Lookup post codes for areas in Australia, or find the area that corresponds to a given post code.
Carrier Routes by ZIP Code
Lists postal carrier routes for a given ZIP code, including the number of residences and businesses on the route and the delivery post office.
Philippines Zip Codes
Browsable list of Metro Manila and provincial zip codes.
Postal Service Finder
Web directory of postal service information for the U.S. and worldwide, organized by region.
Addresses.com: ZIP Code Lookup
Find ZIP codes by United States city or state, or use the reverse ZIP code locator to find what location corresponds to a given ZIP code.
Offers a database of localities and postal/ZIP codes, along with their geographical coordinates.
Offers listing of all U.S. zip codes as well as zip code maps, a zip code look-up, and a shipping calculator that can be used to estimate cost of shipments between addresses.