List of future North American area codes

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

New area code Jurisdiction Affected area codes Exhaust date* Effective date
223 Pennsylvania 717 2017 – 3rd Qtr September 26, 2017
227 Maryland 240, 301 2023 – 2nd Qtr None
274 Wisconsin 920 2032 – 1st Qtr None
279 California 916 2018 – 1st Qtr March 10, 2018
283 Ohio 513 2023 – 2nd Qtr None
327 Arkansas 870 2023 – 1st Qtr None
367 Quebec 418, 581 2020 – 3rd Qtr November 24, 2018
445 Pennsylvania 215, 267 2018 – 2nd Qtr March 3, 2018
447 Illinois 217 2021 – 1st Qtr None
464 Illinois 708 2019 – 1st Qtr None
557 Missouri 314 2021 – 4th Qtr None
564 Washington 360† 2017 – 4th Qtr August 28, 2017
640 New Jersey 609 2018 – 3rd Qtr September 17, 2018
659 Alabama 205 2022 – 2nd Qtr None
679 Michigan 313 2024 – 4th Qtr None
689 Florida 321, 407†† 2018 – 3rd Qtr None
726 Texas 210 2017 – 4th Qtr October 1, 2017
730 Illinois 618 2025 – 1st Qtr None
820 California 805 2018 – 4th Qtr June 30, 2018
838 New York 518 2017 – 3rd Qtr September 19, 2017
879 Newfoundland and Labrador 709 2019 – 3rd Qtr November 24, 2018
975 Missouri 816 2025 – 2nd Qtr None
986 Idaho 208 2018 – 4th Qtr September 5, 2017

†Plans are to overlay other codes, but initially it will overlay only the 360 area.
††Indicates planned overlay of multiple area code regions.

Note: While not listed above as no new area codes will be added, the 619 and 858 codes in the San Diego area will merge into an overlay area on June 19, 2018.

*Indicates exhaust date of the existing area code(s) that will require relief.[1] Others with exhaust dates within 4 years (by mid-2021) that currently do not have an approved relief plan and relief area code: 202, 214/469/972, 250/236/778°, 604/236/778°, 305/786, 405, 484/610, 510, 803, 814, 909, 937.[2] (°British Columbia's original 604 area code initially was split, creating the 250 area code; however, 778 and later 236 overlaid the entire province.)

See also

References

  1. ↑ "NPAs Exhausting in the Next 36 Months" (.xlsx). NANPA. 10 April 2015. Retrieved 10 April 2015.
  2. ↑ "NPA Exhaust Analysis" (PDF). NANPA. April 2017. Retrieved 6 May 2017.
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