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1. www.worldatlas.com › na › usUnited States of America Area Codes / USA Area Code Map / Map ...

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   North America / US / Area Codes. US Area Codes By State. Location of all Area Codes in the US. To faciltiate the millions of phone users, the United States of America is divided into regions known as Area Codes, corresponding to particular geographic telephone dialing areas.

2. www.allareacodes.comArea codes locator - Area code lookup by number or city

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   Area code lookup for US cities and an area codes locator to find the location of area codes. Complete area code list for the US and Canada

3. People also ask

   How many area codes are there in the United States?

   • The number of area codes in the U.S. changes from time to time. At the time of this writing, there are approximately 335 US area codes. These include 317 geographic area codes on top of 18 non-geographic area codes. The North American Numbering Plan, or NANP, assigns all area codes.

   How Many Area Codes Are There in the United States? - Red Pocket

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   How many digits are in a US phone number?

   • A typical US phone number consists of a total of 10 digits, which include the area code, exchange code, and line number. If you are calling the US from outside, use the following format: your country’s exit code + 1 + area code + local phone number. Local, toll-free, mobile, vanity, and emergency numbers are the types of US phone numbers.

   US Phone Number Format: Example, Dialing Instructions, Area Codes & …

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   What is an area code & a telephone number?

   • The combination of an area code and the telephone number serves as a destination routing address in the public switched telephone network (PSTN). The North American Numbering Plan conforms with International Telecommunication Union (ITU) Recommendation E.164, which establishes an international numbering framework.

   North American Numbering Plan - Wikipedia

   en.wikipedia.org/wiki/North_American_Numbering_Plan

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   Which states have only one area code?

   • Based around major cities, some low population states such as Idaho and Montana have only one areas code, whereas other, such as California or New York, may have muliple area codes as they have a requirment for millions of local landline, cell phone, fax, and business phone numbers.

   United States of America Area Codes / USA Area Code Map ... - WorldAt…

   www.worldatlas.com/na/us/area-codes.html

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4. en.wikipedia.org › wiki › List_of_North_AmericanList of North American Numbering Plan area codes - Wikipedia

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   Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits. A numbering plan area with multiple area codes is called an overlay. Area codes are also assigned for non-geographic purposes.

   Code	Territory Or Use	Date
   200	not in use; available for non-geographic ...	easily recognizable code (ERC)
   201	New Jersey ( Bergen County and Hudson ...	1947
   202	Washington, D.C.	1947
   203	Southwestern Connecticut ( Bridgeport, ...	1947

   See full list on en.wikipedia.org

5. krispcall.com › blog › us-phone-number-formatUS Phone Number Format: Example, Dialing Instructions, Area ...

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   The standard format for a US phone number is Area Code – 3-digit exchange code – 4-digit phone number. For instance, if you were calling the White House in Washington, D.C., the phone number format would look like this: (202)-456-1111.

6. Videos

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     All Area Code List | Area codes in USA #Areacode

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     Printable Area Code List

     Apr 24, 2013

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     theatlantic.com

     Our Numbered Days: The Evolution of the Area Code

     Feb 13, 2014

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7. areaphonecodes.com › united-statesUnited States - Area Phone Codes

   areaphonecodes.com › united-states

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   United States Area Codes. Number structure. List of area codes. Sort by: State. Area Code. 201. New Jersey. 202. Washington D.C. 203. Connecticut. 205. Alabama. 206. Washington State. 207. Maine. 208. Idaho. 209. California. 214. Texas. 215. Pennsylvania. 216. Ohio. 217. Illinois. 218. Minnesota. 219. Indiana. 220. Ohio. 223. Pennsylvania.

8. blog.redpocket.com › how-many-area-codes-in-the-usHow Many Area Codes Are There in the United States? - Red Pocket

   blog.redpocket.com › how-many-area-codes-in-the-us

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   At the time of this writing, there are approximately 335 US area codes. These include 317 geographic area codes on top of 18 non-geographic area codes. The North American Numbering Plan, or NANP, assigns all area codes. Area code numbers and denominations are subject to change.

9. en.wikipedia.org › wiki › North_American_Numbering_PlanNorth American Numbering Plan - Wikipedia

   en.wikipedia.org › wiki › North_American_Numbering_Plan

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   Each telephone is assigned a seven-digit telephone number unique only within its respective numbering plan area. The telephone number consists of a three-digit central office (or exchange) code and a four-digit station number.