List of future North American area codes

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This is a list of future area codes in the North American Numbering Plan (NANP) 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.

List

New area code Jurisdiction Affected NPA Projected Exhaust date* Effective date
227 Maryland 240/301 2023 – 2nd Qtr June 14, 2023[1]
235 Missouri 573 2024 – 3rd Qtr March 24, 2024[2]
274 Wisconsin 920 2024 – 1st Qtr May 5, 2023
283 Ohio 513 2023 – 4th Qtr April 28, 2023
324 Florida 904 2024 – 3rd Qtr February 26, 2024
327 Arkansas 870 2024 – 2nd Qtr June 4, 2024
329 New York 845 2024 – 3rd Qtr March 24, 2023
350 California 209 2022 – 4th Qtr November 28, 2022
353 Wisconsin 608 2024 – 1st Qtr None[3]
363 New York 516 2024 – 1st Qtr January 20, 2023[4][5]
369 California 707 2023 – 1st Qtr February 1, 2023[6]
382 Ontario 519/226/548 2024 – 2nd Qtr June 17, 2023[7]
428 New Brunswick 506 2024 – 4th Qtr April 29, 2023[8]
624 New York 716 2024 – 2nd Qtr None[9]
645 Florida 305/786[10] 2023 – 4th Qtr August 4, 2023
679 Michigan 313 2025 – 3rd Qtr None
728 Florida 561 2023 – 4th Qtr March 10, 2023[11]
730 Illinois 618 2024 – 2nd Qtr July 7, 2023[12]
821 South Carolina 864 2025 – 1st Qtr None
861 Illinois 309 2024 – 1st Qtr February 24, 2023
879 Newfoundland and Labrador 709 2028 – 2nd Qtr None
975 Missouri 816 2024 – 2nd Qtr October 13, 2023[13]

†Indicates planned overlay of multiple area code regions.

*Indicates exhaust date of the existing area code(s) that will require relief.[14]

Although not listed above as no new area codes will be implemented, Area code 480's boundary with area codes 602 and 623 will be eliminated on September 12, 2023, to provide relief to area codes 480 and 602.[15]

These area codes with exhaust dates within four years (by the fourth quarter of 2026) currently do not have an approved relief plan and relief area code: 213/323, 218, 318, 334, 423, 440, 507, 530, 559, 605, 620, 662, 713/281/832/346, 714/657, 765, 804, 949, 956, 970, 989.

See also

References

  1. ^ "Area Code 227 - Details, official location, official service date, history and time zone".
  2. ^ "Area Code 235 - Official Usage, Details, Location, History".
  3. ^ "As Madison region grows, a new area code is coming to south central Wisconsin". 26 September 2022.
  4. ^ "Area Code 363 - Details, official location, official service date, history and time zone".
  5. ^ "Nassau County Residents and Businesses Prepare for New 363 Area Code". Accessed 2022-01-24
  6. ^ https://nationalnanpa.com/planning_letters/PL_599.pdf[bare URL PDF]
  7. ^ "Area Code 382 - Details, official location, official service date, history and time zone".
  8. ^ "Telecom Decision CRTC 2020-363". 28 October 2020.
  9. ^ https://www.wivb.com/news/local-news/buffalo/new-buffalo-wny-area-code-624-716/
  10. ^ "Miami is Growing: New Telephone Area Code 645 Added on Top of 305 & 786 to Meet Demand".
  11. ^ "Area Code Changes".
  12. ^ "Area Code 730 - Details, official location, official service date, history and time zone".
  13. ^ "Area Code 975 - Details, official location, official service date, history and time zone".
  14. ^ "NPAs Exhausting in the Next 36 Months" (.xlsx). NANPA. 10 April 2015. Retrieved 10 April 2015.
  15. ^ "Arizona Corporation Commission November Open Meeting Highlights".

External links