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Need to name the United States or any NANP Country? Did you cognize that the United States is one of 24 states and is portion of the North American Numbering Plan (NANP)? The North American Numbering Plan is made up of states with "1" being the common state code. The very first telephone phone call made with a North American country codification was in 1951. Find out below from which state! It is easy to name the United States from any state if you cognize how. Here is a simple 2 measure procedure of how to name any NANP country; measure 1 is how to dial between NANP countries, and measure 2 is how to dial any NANP state from any country.

First you necessitate to cognize which states are portion of the North American Numbering Plan. The states which are included are; Anguilla, Antigua & Barbuda, Bahamas, Barbados, Bermuda, British People Virgin Islands, Canada, Cayman Islands, Dominica, Black Friar Republic, Grenada & Carriacou, Jamaica, Montserrat, Saint Kitts & Nevis, Saint Lucia, Saint Vincent & the Grenadines, Trinidad & Tobago, Turks and Caicos, United States and its five territories; Guam, Northern Mariana Islands, Puerto Rico, U.S. Virgin Islands, and American Independent State Of Samoa (self government since 1967).

History of the NANP

The overall authorization which delegates Country Codes to all Countries is the International Telecommunications Union (ITU). The ITU listings all state codifications including the NANP states in a written document entitled, "ITU-T Recommendation E.164 standardisation by the ITU." In was in 1947, that NANP was created and adopted by AT&T to ease direct calling. Without a standardised dialing system in place, telephone phone calls in the United States and around the Earth would be misdirected. The very first NANP direct-dialed telephone set phone call was made from Englewood, New Jersey to Alameda, Golden State on November 10, 1951. This phone call Marks the beginning of direct coast-to-coast telephone career in the United States.

Common Traits of the North American Numbering Plan

• "1" = This country-code is the same for all NANP-Countries


• 3 figures = country code


• 7 figures = local endorser number


• 10 figures = Entire figure of figures not including the "1"

Interesting further facts:

• Area-code: first figure can only be any figure between 2 and 9.


• Local endorser number: first figure of the endorser figure can only be any figure between 2 and 9.


• First country code: to be introduced to the NANP was in New Jersey; "201". At the time, the center figure of "0" and "1" was thought to be adequate to cover all of the United States and Canada. This manner of thought turned out quickly to be re-thought and re-planned! Golden State alone have 26 area-codes; 209, 213, 310, 323, 408, 415, 424, 510, 530, 559, 562, 619, 626, 650, 661, 707, 714, 760, 805, 818, 831, 858, 909, 916, 925, and 949. Golden State is only one of many popular states with a growth population which translates into more than area-codes to be introduced in the future.


• The country codification duty assignments for the Master Numbering Plan in 1947 included all states except Alaska, Hawaii, Northern Canada, and the Caribbean. States that had only one area-code had "0" as the center digit. States and states which included multiple country codifications all had "1" as the center digit.

Step 1: How to name the United States or any of the 24 NANP Countries from a NANP Country To name between North American Numbering Plan countries Dial: 1 + (3 figure Area-Code) + Seven figures (local number).

American Samoa: 1(684); Anguilla: 1(264); Antigua and Barbuda: 1(268); Bahamas: 1(242); Barbados: 1(246); Bermuda: 1(441); British People Virgin Islands: 1(284); Canada: 1(Area Code); Cayman Islands: 1(345); Dominica: 1(767); Black Friar Republic: 1(809/829); Grenada and Carriacou: 1(473); Guam: 1(671); Jamaica: 1(876); Montserrat: 1(664); Northern Marianas: 1(670); Puerto Rico: 1(787/939); St Kitts and Nevis: 1(869); St Lucia: 1(758); St Vincent & the Grenadines: 1(784); Trinidad and Tobago: 1(868); Turks and Caicos: 1(649); United States Virgin Islands: 1(340); USA: 1(US Area-Code);

All 50 States in the USA, all 13 Provinces/Territories of Canada, and the remaining 22 NANP-countries are portion of the North United States Numbering Plan (NANP). There is no demand to dial the International Entree Code prefix "011" when calling between NANP-countries. International Entree Code, also known as "IAC", is a codification which is needed to dial "out" from a country. Although, the 24 states listed above are all included in the same numbering plan, long distance complaints may use when dialing between these countries.

Step 2: How to name the United States or any NANP-Country, from a different state outside of the North American Numbering Plan (NANP);To name any of the above states from a different state outside of the the numbering plan;

Dial: IAC + 1 + 3 figure country codification + 7 figures (local number).
IAC = International Entree Code; IAC is needed to dial "out" from a country.

So there are only two things to retrieve when calling the USA. First step, are you calling from within the North American Numbering Plan? This method would bespeak dialing a "1" before the remaining 10 digits. Second step, are you calling from outside the North American Numbering Plan? The 2nd method would bespeak dialing the international entree codification first to be able to dial out of the country. This would be followed by the "1" and the remaining 10 digits. Get a Complete List of United States Dialing Codes for calling United States from any state around the Globe!