List of future North American area codes

Last updated

This is a list of future area codes in the North American Numbering Plan (NANP) that are in the planning stages for relief of central office code exhaustion in the given numbering plan areas (NPAs). The dates are subject to change during implementation as published in the official NANP Administrator Planning Letters.

Contents

New area codeAffected NPAJurisdictionProjected exhaust date [1] [2] Effective date
257 236/672/778, 604, 250 British Columbia 2025 – 4th Qtr [3] May 24, 2025 [4] [5]
357 559 California 2025 – 3rd QtrMarch 26, 2025 [6]
457 318 Louisiana 2026 – 1st QtrSeptember 25, 2025 [7]
471 662 Mississippi 2026 – 3rd QtrJanuary 30, 2026
483 334 Alabama 2026 – 3rd QtrFebruary 23, 2026 [8] [9]
621 713/281/832/346 Texas 2025 – 3rd QtrJanuary 23, 2025 [10] [11]
679 313 Michigan 2027 – 2nd QtrNovember 7, 2025 [12] [13]
729 423 Tennessee 2025 – 3rd QtrMarch 5, 2025 [14] [15]
738 213/323 California 2026 – 2nd QtrNovember 1, 2024 [16] [17]
748 970 Colorado 2026 – 1st QtrJuly 7, 2025 [18] [19]
837 530 California 2025 - 3rd Qtr [20] January 31, 2025 [21]
942 416/647/437 Ontario 2025 – 4th Qtr [3] April 26, 2025 [4] [22]
NPA boundary changes, overlay expansions, etc.
564 206 Washington 2026 – 1st QtrApril 5, 2025 [23]

Other area codes that are expected to exhaust by the end of 2027 that do not have an approved relief plan: 352, 502, 520, 603, 714/657, 718/347/929, 765 and 949. [24]

See also

Related Research Articles

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<span class="mw-page-title-main">Area codes 850 and 448</span> Area codes in Florida, United States

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<span class="mw-page-title-main">Area codes 920 and 274</span> Area code in eastern Wisconsin, United States

Area codes 920 and 274 are telephone area codes in the North American Numbering Plan (NANP) for a large area of eastern Wisconsin. Area code 920 was created on July 26, 1997, in a split of area code 414, one of the original North American area codes of 1947. 274 was added to the same numbering plan area (NPA) on May 5, 2023 to create an area code overlay.

<span class="mw-page-title-main">Area code 564</span> Telephone area code for western Washington, United States

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<span class="mw-page-title-main">Area codes 516 and 363</span> Area code in Nassau County, New York, United States

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<span class="mw-page-title-main">Area codes 305, 786, and 645</span> Telephone area codes in Florida, US

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<span class="mw-page-title-main">Area codes 804 and 686</span> Telephone area code in east-central Virginia, United States

Area codes 804 and 686 are telephone area codes in the North American Numbering Plan (NANP) for the east-central portion of Virginia. The numbering plan area is anchored by Virginia's capital, Richmond, and includes most of its metropolitan area. Other communities included are Chesterfield, Henrico, Hopewell, Mechanicsville, Powhatan, Midlothian, Petersburg, and Colonial Heights. This also includes the Northern Neck and the Middle Peninsula. The two southernmost counties on the Middle Peninsula, Gloucester and Mathews, are part of the Hampton Roads metropolitan area, but use 804 and 686 instead of the area codes 757 and 948 used by the rest of Hampton Roads.

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<span class="mw-page-title-main">Area code 403</span> Telephone area code for southern Alberta

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<span class="mw-page-title-main">Area code 334</span> Area code for southeastern Alabama, United States

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<span class="mw-page-title-main">Area codes 513 and 283</span> Area code in southwest Ohio, US

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<span class="mw-page-title-main">Area codes 816 and 975</span> Area code in northwestern Missouri, United States

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<span class="mw-page-title-main">Area codes 870 and 327</span> Area code for eastern and southern Arkansas, United States

Area codes 870 and 327 are telephone area codes in the North American Numbering Plan (NANP) for southern, eastern, and most of northern Arkansas. 870 was created on April 14, 1997, in a split from area code 501, Arkansas's original area code of 1947, and 327 was added as part of an overlay complex in 2024.

<span class="mw-page-title-main">Area codes 618 and 730</span> Telephone area code for southern Illinois

Area codes 618 and 730 are telephone area codes in the North American Numbering Plan (NANP) for southern Illinois. The numbering plan area (NPA) comprises one hundred and twenty-six municipalities, such as Carbondale, Cairo, Belleville, East St. Louis, Edwardsville, Marion, O'Fallon, Alton, Mt. Vernon, Centralia, Herrin, Salem, Metropolis, Fairview Heights, Collinsville, and Granite City. Area code 618 was one of the original North American area codes created in 1947, and 730 was added to the plan area to form an overlay complex to satisfy the need for more telephone numbers in the region. The current population of the 618/730 area code is 1,288,816 people. It encompasses approximately 15,458 square mile ; and has a population density of 83.38 people per square mile.

<span class="mw-page-title-main">Area codes 440 and 436</span> Telephone area code in the Cleveland, Ohio area

Area codes 440 and 436 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of Ohio, serving the parts of the Greater Cleveland area, surrounding the city of Cleveland, but not the city and most of its inner suburbs.

<span class="mw-page-title-main">Area codes 270 and 364</span> Area codes that serves Kentuckys western and south central counties

Area codes 270 and 364 are telephone overlay area codes in the North American Numbering Plan (NANP) for the Commonwealth of Kentucky's western and south central counties. Area code 270 was assigned in a split of numbering plan area 502 in 1999. Area code 364 was added to the same numbering plan area on March 3, 2014, after having been first considered for 270-relief planning in 2007. Major cities in the numbering plan area include Hopkinsville, Paducah, Henderson, Murray, Bowling Green, Owensboro, Elizabethtown, and Madisonville. It also includes Kentucky's share of Fort Campbell.

<span class="mw-page-title-main">Area codes 864 and 821</span> Area codes in upstate South Carolina, United States

Area codes 864 and 821 are telephone area codes in the North American Numbering Plan (NANP) for the western third of the U.S. state of South Carolina. The numbering plan area (NPA) comprises the areas of Greenville, Spartanburg, Anderson, and twelve surrounding counties. Other cities in the 864/821 territory include Clemson, Gaffney, Greer, and Mauldin. It is largely coextensive with the Upstate region.

<span class="mw-page-title-main">Area codes 587, 825, and 368</span> Overlay area codes for Alberta, Canada

Area codes 587, 825, and 368 are telephone area codes in the North American Numbering Plan (NANP) for the entire Canadian province of Alberta. They form an overlay with area code 403 of southern Alberta, and northern Alberta's 780. The complex overlay involving a total of five area codes in Alberta mandated ten-digit dialing throughout the province.

The Numbering Resource Utilization/Forecast Report is a semiannual report compiled by the North American Numbering Plan Administration, based on information provided by the telecom industry following United States Federal Communications Commission (FCC) rules.

References

  1. ↑ "NPAs Exhausting in the Next 36 Months" (.xlsx). NANPA. 2015-04-10. Retrieved 10 April 2015.
  2. ↑ "Planned NPAs Not Yet in Service" (.do). North American Numbering Plan Administrator (NANPA). Retrieved 16 July 2024.
  3. 1 2 "Telecom Decision CRTC 2022-308". Government of Canada – CRTC Archives. Canadian Radio-television and Telecommunications Commission (CRTC). 8 November 2024. Retrieved 16 July 2024.
  4. 1 2 "Telecom Decision CRTC 2023-135". Government of Canada – CRTC Archives. Canadian Radio-television and Telecommunications Commission (CRTC). 10 May 2023. Retrieved 16 July 2024.
  5. ↑ "NANPA Planning Letter 612 – NPA 257 to Overlay NPA 236/250/604/672/778" (.pdf). NANPA. 11 May 2023. Retrieved 16 July 2024.
  6. ↑ "NANPA Planning Letter 624 – NPA 357 to Overlay NPA 559 (California)" (PDF). NANPA. 6 Feb 2024. Retrieved 16 July 2024.
  7. ↑ "NANPA Planning Letter 617 – NPA 457 to Overlay NPA 318 (Louisiana)" (PDF). NANPA. 23 June 2023. Retrieved 16 July 2024.
  8. ↑ "NANPA Planning Letter 626 – NPA 483 to Overlay NPA 334 (Alabama)" (PDF). NANPA. 7 May 2024. Retrieved 16 July 2024.
  9. ↑ "Area Code 483 - Details, official location, official service date, history and time zone".
  10. ↑ "NANPA Planning Letter 623 – NPA 621 to Overlay NPA 281/346/713/832 (Texas)" (PDF). NANPA. 6 December 2023. Retrieved 16 July 2024.
  11. ↑ "Area Code 621 - Details, official location, official service date, history and time zone".
  12. ↑ "NANPA Planning Letter 618 – NPA 679 to Overlay NPA 313 (Michigan)" (PDF). NANPA. 13 July 2023. Retrieved 16 July 2024.
  13. ↑ "Area Code 679 - Details, official location, official service date, history and time zone". www.areacodehelp.com. Retrieved 2023-11-07.
  14. ↑ "NANPA Planning Letter 619 – NPA 729 to Overlay NPA 423 (Tennessee)" (PDF). NANPA. 24 July 2023. Retrieved 16 July 2024.
  15. ↑ "Area Code 729 - Details, official location, official service date, history and time zone". www.areacodehelp.com. Retrieved 2023-11-07.
  16. ↑ "NANPA Planning Letter 614 – NPA 738 to Overlay NPA 213/323 (California)" (PDF). NANPA. 16 May 2023. Retrieved 16 July 2024.
  17. ↑ "Area Code 738 - Details, official location, official service date, history and time zone". www.areacodehelp.com. Retrieved 2023-11-07.
  18. ↑ "NANPA Planning Letter 625 – NPA 748 to Overlay NPA 970 (Colorado)" (PDF). NANPA. 13 February 2024. Retrieved 16 July 2024.
  19. ↑ "Area Code 748 - Details, official location, official service date, history and time zone".
  20. ↑ "CPUC Provides More Numbers for 530 Area Code".
  21. ↑ "NANPA Planning Letter 621 – NPA 837 and 530 All-Services Overlay (California)" (.pdf). NANPA. 8 August 2023. Retrieved 16 July 2024.
  22. ↑ "NANPA Planning Letter 613 – NPA 942 to Overlay NPA 416/437/647 (Toronto, Ontario)" (PDF). NANPA. 11 May 2023. Retrieved 16 July 2024.
  23. ↑ "NANPA Planning Letter 620 – NPA 564 to Overlay NPA 206 (Washington)" (PDF). NANPA. 3 August 2023. Retrieved 16 July 2024.
  24. ↑ "2024-1 NRUF and NPA Exhaust Analysis" (PDF). NANPA. Retrieved 16 July 2024.
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