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Postal Information

National Address and ZIP+4 Browser

http://www.semaphorecorp.com/

Searchable by company name, street address, city, state, and ZIP code. Returns closest matches along with ZIP+4 code. After information is returned, option is given to browse addresses in the same geographical location. Also includes list of state code abbreviations.

United States Postal Service

http://www.usps.gov/

Includes information about stamp releases, pictures of stamps available, searchable index for ZIP+4 codes, state and address abbreviations, preferred addressing methods, size standards for mail, postage rates for both domestic and international mail delivery, history of the USPS, news releases, calendar of events, and other postal-related information. The business section of this Web site includes information both for the mailing needs of businesses and for the business needs of the USPS. Businesses wishing to sell products to the USPS will find a purchasing manual and information about selling products to the USPS at this Web site.

The Zipper

http://www.stardot.com/zipper/

Input a five-digit ZIP code to obtain the name, address, and phone number of either the Congressional representative or Senators for that ZIP code.