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1. en.wikipedia.org › wiki › List_of_country_calling_codesList of country calling codes - Wikipedia

   en.wikipedia.org › wiki › List_of_country_calling_codes

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   Há 1 dia · NANP members are assigned three-digit numbering plan area (NPA) codes under the common country prefix 1, shown in the format 1 (NPA) . 1 North American Numbering Plan. 1 – United States, including United States territories: 1 (340) – United States Virgin Islands. 1 (670) – Northern Mariana Islands. 1 (671) – Guam.

2. en.wikipedia.org › wiki › North_AmericaNorth America - Wikipedia

   en.wikipedia.org › wiki › North_America

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   Há 1 dia · A shared telephone system known as the North American Numbering Plan (NANP) is an integrated telephone numbering plan of 24 countries and territories: the U.S. and its territories, Canada, Bermuda, and 17 Caribbean nations.

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4. www.ncesc.com › geographic-faq › who-assigns-area-codesWho assigns area codes? - Geographic FAQ Hub: Answers ... - NCESC

   www.ncesc.com › geographic-faq › who-assigns-area-codes

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   17 de mai. de 2024 · The North American Numbering Plan Administration (NANPA) is in charge of assigning area codes. They have the authority granted by the Federal Communications Commission (FCC) to oversee the telephone numbering system in the United States.

5. en.wikipedia.org › wiki › Interstate_Highway_SystemInterstate Highway System - Wikipedia

   en.wikipedia.org › wiki › Interstate_Highway_System

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   Há 2 dias · The numbering scheme for the Interstate Highway System was developed in 1957 by the American Association of State Highway and Transportation Officials (AASHTO). The association's present numbering policy dates back to August 10, 1973.

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     41:32

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     North American Numbering Plan

     19 abr.. 2019

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     1:4:05

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     North American Numbering Council - June 2023

     28 jun.. 2023

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     1:34:08

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     North American Numbering Council - October 2021

     14 out.. 2021

     234 visualizações

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7. www.ncesc.com › geographic-faq › why-does-the-us-andWhy does the US and Canada have the same phone code? - NCESC

   www.ncesc.com › geographic-faq › why-does-the-us-and

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   Há 4 dias · The United States and Canada have the same phone code because both countries are part of the North American Numbering Plan (NANP). The NANP was established in 1947 to simplify and facilitate direct dialing of long distance telephone calls within North America.

8. www.howtocallabroad.com › cayman-islandsHow to call the Cayman Islands: country code, area codes ...

   www.howtocallabroad.com › cayman-islands

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   Há 4 dias · example call from the United States or from Canada to the Cayman Islands: 1 345 ??? ???? this country is in the North American Numbering Plan (calling it works like a US long distance call)...however, international or unexpected charges may apply when calling numbers in area code 345!

9. www.npanxxsource.com › npanxx-goldNPA NXX Area Code Prefix Database - Gold Edition

   www.npanxxsource.com › npanxx-gold

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   2 de mai. de 2024 · The Gold Edition is a general use area code and exchange NPA-NXX data product. It provides complete coverage of the entire North American Numbering Plan NPA NXX central office assignments at the 1,000 block level, basic carrier identification, rate center, and associated geographic data.