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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.

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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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.

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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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.

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

Area code lookup, ZIP code lookup, Local time lookup by area code or ZIP code.

ZIP Code Database list & Demographics - ZIP Codes by City with Boundary Data - Free ZIP Code Finder - or Download the Data - Maps, Zip Codes, Area Codes, Household Income, Current Population, Multi County Data, Postal codes, MSA codes, CBSA codes...

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

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