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Area Codes

A GlobalWorld International Date Planner contains all the area codes for states as welll as major cities. For a limited time, we are making our full color area code map - yes the same one found in our publications - FREE for download.

area code lookup

Our list is updated each year through The NANPA data. Area Codes were first established in the early 1940's by AT&T and they were implemented in 1947. Originally the system was setup for the United States and Canada.

telephone area codes

USA states and Canadian provinces were each asigned a 3 digit code with a 0 as the middle number. Eight-six area codes were first assigned. Large Metropolitan areas, such as the New York area, were given numbers with the addition of the numberal 1 in the middle digit. According to the population of the city, the first and third digits were changed accordingly. High population areas, such as New York City and Los Angeles, were assigned low 3 digit numbers as area codes because of the high number of the population. It was thought that the high populated areas should have easier dialing area codes.

area code search

The NANP is a shortened term for the North American Number Plan. This is the body that manages North American telephone numbers on public switched networks in regions where the international country code is Ò1Ó. That includes the US and it's territories, Canada , and the Caribbean .

list of telephone area codes

Each area code has approximately 7,920,000 phone numbers assigned. Technically, there should be 10 million numbers available but emergency numbers and information numbers make the numbers that are usuable to be less.

area code finder

There are many websites that will tell you that they will give you the complete list. Since the map that you see above is part of our publications, we are making it available FREE for you to download.

area code locator

As time passed, many area codes were realigned or split so that each region would be certain to have enough numbers to meet its needs. The more telephone lines were required by the growing population and economic growth, greater technologies were developed (such as DID PBX, which allowed direct inward dialing, instead of through a receptionist) as well as faxes, modems, cellular phones, and pagers.

area code list

Originally, there were 86 area codes, though Hawaii, Alaska, and the Caribbean were not yet a part of NANP. Today, there are almost 300 area codes.

united states area codes

In July 1994, O.J. Simpson defense lawyers announced a toll-free 800 number in which to call in leads that might help their client's case. Within 24 hours, an unsuspecting El Segundo woman was deluged with 200 of these calls. Her number was the same as the Simpson number except that it was preceded with area code 310.

area code directory

ATT and the "Baby Bells" used to give a complete area code directory in each of their publications. But, with the rapidly expanding cellular phone business, there was an influx of telephone numbers requested. When states realized that cellular companies had been given too many banks of numbers, the ATT publications quit publishing the area code directory.