HEATKEYS

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

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

Area codes for all of the United States, Canada and the Caribbean with information about overlays and splits. Look up by state or area code.

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.

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

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Conversion and Calculation Center home page that contains links to our measurement conversion, currency exchange rate, world time zone, reference information, and other pages.

UCSD Department of Computer Science and Engineering

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.