ZIP Codes and Postal Codes

United States--International--Shipping Sites

United States ZIP Codes

United States ZIP+4 Code Look-up - United States Postal Service ZIP code search and FAQs.

All Cities/Towns in a ZIP Code - Enter a ZIP code for all cities assigned that code.

All ZIP Codes for a City/Town - Enter a city name for all ZIP codes assigned to it.

Post Office Locator - Use Switchboard to locate a post office by city, state, or ZIP Code.

Zip Code, Area Code, City, County & Time Zone Cross Refs - Convert ZIP Codes to other codes.
 

International Postal Codes

Canada Postal Code Lookup - Postal code quick search, related information and online tools.

Links to Postal Codes Pages - International postal codes by alphabetical country name.
 

Shipping Sites

DHL - Shipping quotes, schedule a pickup, find locations, Track it, news and service updates.

FedEx - Delivery options, service finder, track shipments, and international tools.

UPS - Calculate shipping time and cost, find locations, track a package, and current news.

USPS - A Customer's Guide to Mailing - Tips on addressing and packaging your mail, services.