Featured Resources
- Reference Solutions (formerly ReferenceUSA)
- Search a database of 14 million U.S. Businesses (updated monthly) or a residential listing database of nearly 140 Million U.S. Households. Available at Thrall and to Thrall members at home.
- UnitedStatesZipCodes.org
- "You can look up extensive data about every zip code in the country such as real estate and housing data, population demographics, employment statistics and school information. In addition, we have developed various tools such as a ZIP code radius tool, a shipping postage calculator and printable zip code maps. We also offer a downloadable zip code database.
- USPS Postal Explorer
- Domestic and International mail information in PDF and HTML formats.
- Zip Code Lookup
- Search by address, city, company or zip code. From the United States Postal Service.
Web Resources
- Canadian Zip Codes
- Contacting the Congress
- "A database of biographical information, phone numbers, FAX numbers, office addresses, electronic mail addresses and WWW homepages for members of the Congress and Congressional Committees."
- International Addressing Tips
- From the Unites States Postal Service.
- Official USPS Abbreviations
- From the United States Postal Service.
- Postal Addressing Systems in Member Countries
- Choose from an alphabetical list of 192 countries and click "Display". From the Universal Postal Union.
- Zip Code Lookup
- Zip codes by address, and cities by zip codes. From USPS.
