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Area code lookup for all US cities or use the area codes locator to find which city a phone area code belongs to.

411.com is the web?s leading directory of contact info for people and businesses. Phone numbers, addresses, yellow pages, and more.

AreaCode.org lists US and Canada telephone area codes for reverse area code lookup. Find area code list, area code maps, and cities within an area code.

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iTools Internet tools: Search, research, reference, look up or translate just about anything in one place.

State information resource links to state homepage, symbols, flags, maps, constitutions, representitives, songs, birds, flowers, trees

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Area Code allows you to find information on any area code as well as people search, search white pages and yellow pages all on one site.

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UCSD Department of Computer Science and Engineering

Telcodata.US - The Telecommunications Database