How many area codes are there in the United States?

How many area codes are there in the United States?

There are 317 geographic area codes in the United States and an additional 18 non-geographic area codes totalling 335 US area codes.

What area code is 371 in USA?

Area Code 371 Assignment Area Code 371 has not been assigned for use by the North American Numbering Plan Administrator. Area Code 371 has been officially set aside by the North American Numbering Plan Administrator for future unanticipated purposes where it may be important to have available 10 contiguous area codes.

Do any US area codes start with 1?

No other country has a country calling code that begins with 1 either. Outside of the NANP, if you consider the 1+area code as a single four number block, the 674 area codes in North America can each be dialed equivalent to a country code.

What country code is 150?

China Mobile
Mobile phones

Prefix Provider Network
150/1/2/7/8/9 China Mobile LTE/TD-SCDMA/GSM
153 China Telecom1 LTE/CDMA2000/cdmaOne
155/6 China Unicom LTE/WCDMA/GSM
162 China Telecom (VNO) LTE/CDMA2000/cdmaOne

Why are there no area codes starting with 1?

The digit 0 was used for operator assistance, and 1, which is essentially a single pulse of loop interruption, was automatically ignored by most switching equipment of the time. Therefore, the 0/1 rule for the area code provided a convenient means to distinguish seven-digit dialing from ten-digit dialing.

An area code denotes the regional location of a phone number within the United States. Currently, there are around 320 area codes, including overlays, in the USA according to the North American Numbering Plan (NANP). However, this count is by no means constant.

How are area codes assigned in the North American numbering plan?

The North American Numbering Plan (NANP) divides the regions of its member nations into geographic numbering plan areas (NPAs). Each area is assigned a three-digit area code which is prefixed to each telephone number issued in its service area. Some areas are assigned multiple codes in an overlay plan .

Where can I find list of World area codes?

World Area Codes. The Bureau of Transportation Statistics (BTS), as part of the United States Department of Transportation (US DOT), maintains a list of US state and country codes, named World Area Codes (WAC).

What do the area codes on a cell phone mean?

Area codes are of two types — local and toll-free. 800, 844, 855, 866, 877, and 888 are the different toll-free codes. All the remaining area codes represent the geopgraphic region to which a phone number belongs. The central office code denotes the telephone exchange to which the phone number is mapped.

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