HEATKEYS

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

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

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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.

People search engine and white pages finds phone, address, email, and photos. Find people for free.

USA.com provides easy to find states, metro areas, counties, cities, zip codes, and area codes information, including population, races, income, housing, school, crime rate, weather, environment, map, etc.

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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.

NPA NXX Area Code Database List & demographics, Directory of Area Codes NPA NXX, Exchanges, CLLi, Lat/Lon, Carrier, Landline/Cell indicator.

CallFire provides an easy to use and enterprise scalable cloud telephony platform. Full API

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

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.

Zip Data Maps - Detailed Profiles, Demographics and Heat Maps For Local Zip Codes