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, which are intended to be used as needed for additional telephone numbers in various locations. Relief formats and dates are subject to change. All new area codes below will be in the "overlay" format.

List[edit]

New area code Jurisdiction Affected area codes Exhaust date* Effective date
227 Maryland 240/301 2024 – 3rd Qtr None
274 Wisconsin 920 2030 – 1st Qtr None
283 Ohio 513 2024 – 1st Qtr None
326 Ohio 937 2020 – 3rd Qtr March 8, 2020
327 Arkansas 870 2023 – 3rd Qtr None
341 California 510 2019 – 2nd Qtr July 22, 2019
367 Quebec 418/581 2020 – 1st Qtr November 24, 2018
428 New Brunswick 506 2021 – 4th Qtr November 21, 2020
447 Illinois 217 2021 – 1st Qtr None
464 Illinois 708 2020 – 3rd Qtr None
474 Saskatchewan 306/639 2022 – 2nd Qtr[1] None
557 Missouri 314 2024 – 2nd Qtr None
658 Jamaica 876 2019 - 1st Qtr November 30, 2018
659 Alabama 205 2020 – 1st Qtr None
672 British Columbia 236/250/604/778 2020 – 3rd Qtr May 4, 2019
679 Michigan 313 2030 – 1st Qtr None
689 Florida 407, pt. 321 2019 – 3rd Qtr June 4, 2019
730 Illinois 618 2025 – 3rd Qtr None
839 South Carolina 803 2020 – 4th Qtr None
879 Newfoundland and Labrador 709 2023 – 2nd Qtr None
975 Missouri 816 2025 – 3rd Qtr None

†Indicates planned overlay of multiple area code regions.

*Indicates exhaust date of the existing area code(s) that will require relief.[2] Others with exhaust dates within four years (by the end of 2022) that currently do not have an approved relief plan and relief area code: 202, 214/469/972, 289/365/905 (742 is reserved for this, but another area code may be chosen), 403/587/780/825 (368 is reserved for this, but another area code may be chosen), 405, 450/579 (354 is reserved for this, but another area code may be chosen), 484/610, 806, 813, 814, 909.[3]

See also[edit]

References[edit]

  1. ^ https://www.cbc.ca/news/canada/saskatchewan/area-code-saskatchewan-1.4756194
  2. ^ "NPAs Exhausting in the Next 36 Months" (.xlsx). NANPA. 10 April 2015. Retrieved 10 April 2015.
  3. ^ "NPA Exhaust Analysis" (PDF). NANPA. April 2018. Retrieved 30 April 2018.

External links[edit]