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 State Affected area codes Exhaust date* Effective date
227 Maryland 240, 301 2023 – 1st Qtr None
274 Wisconsin 920 2025 – 3rd Qtr None
283 Ohio 513 2019 – 4th Qtr None
327 Arkansas 870 2020 – 4th Qtr None
332 New York 212, 646 2017 - 4th Qtr June 10, 2017
447 Illinois 217 2020 – 4th Qtr None
463 Indiana 317 2016 – 4th Qtr October 17, 2016
464 Illinois 708 2017 – 2nd Qtr None
564 Washington 360 2017 – 1st Qtr August 28, 2017
659 Alabama 205 2025 – 4th Qtr None
679 Michigan 313 2021 – 1st Qtr None
680 New York 315 2017 - 2nd Qtr March 11, 2017
689 Florida 321, 407†† 2018 – 4th Qtr None
726 Texas 210 2017 – 3rd Qtr October 1, 2017
730 Illinois 618 2021 – 3rd Qtr None
986 Idaho 208 2017 – 1st Qtr September 5, 2017

†Future 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, the 213 area code and the surrounding 323 in the Los Angeles area will merge, as the boundary will be erased in 2017.

*Indicates exhaust date of the existing area code(s) that will require relief.[1] Others with exhaust dates within 4 years (by mid-2020) that currently do not have an approved relief plan and relief area code: 214/469/972, 215/267, 440, 510, 518, 609, 610/484, 619, 709, 717, 805, 909, 916.[2]

See also[edit]

References[edit]

  1. ^ "NPAs Exhausting in the Next 36 Months" (.xlsx). NANPA. 10 April 2015. Retrieved 10 April 2015. 
  2. ^ "NPA Exhaust Analysis" (PDF). NANPA. April 2016. Retrieved 24 June 2016. 

External links[edit]