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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.

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

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

Country Codes for International long distance calling made easy! Check all Country Calling Codes and Phone Area Codes FREE. Every phone country code and area code is updated. Call from one area to another in seconds. Fast and Free!

Visit the Official Vonage Blog to find home phone service tips, international calling & dialing codes, and the latest on Vonage Mobile apps.

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This site includes lots of information that is time and date related, such as yearly and monthly calendars, countdown counters and the world clock which shows current time in cities all over the world.

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

UCSD Department of Computer Science and Engineering

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.