Addresses, Phone, Zip Codes

• AllAreaCodes.com
  http://www.allareacodes.com/
  "AllAreaCodes.com is your on-line area code resource. This site was designed to allow you to find all the states, cities, and other areas serviced under the North American Numbering Plan."

• International Phone Directories
  http://www.infobel.com/World/
  A directory for more than 187 countries that include white pages, yellow pages, street maps, and more.

• Switchboard
  http://www.switchboard.com/
  Find people, businesses, products, business services, maps and directions and city guides.

• Zip Code Lookup & Address Information -- U.S. Postal Service
  http://www.usps.com/ncsc/
  The ZIP Code Look-Up and City/State/ZIP Code Association are free services provided by the United States Postal Service.