HEATKEYS

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

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

Find more information about country codes, phone codes, and ISO country codes. We

How to dial internationally - telephone country codes, area codes... complete resource on international calling.

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.

Find the international dialing code or time zone for any country. Online tool will instantly show you ALL telephone prefixes needed to call from one area code to another. Add the tool to your own site for quick access.

This useful resource provides all the maps of the world, continents and countries, latest news maps and information on sport events and world maps along with engaging write ups.

UCSD Department of Computer Science and Engineering

Locator for telephone area codes in the USA, Canada and some Caribbean Islands; lookup cities in an area code and viceversa - detailed information on all codes including map and time zone/curent time