This is a list of future area codes in the North American Numbering Plan (NANP) that are either reserved or in a planning stage for relief of central office code exhaustion in their parent numbering plan area (NPA). The dates are subject to change during implementation as published in the official NANP Administrator Planning Letters.
New area code | Affected NPA | Jurisdiction | Projected exhaust date [1] [2] | Effective date |
---|---|---|---|---|
273 | 367/418/581 | Quebec | 2027 – 3rd Qtr | TBA |
457 | 318 | Louisiana | 2026 – 3rd Qtr | September 25, 2025 [3] |
465 | 347/718/917/929 [4] | New York | 2026 – 4th Qtr | June 18, 2026 [5] |
471 | 662 | Mississippi | 2027 – 3rd Qtr | January 30, 2026 [6] |
483 | 334 | Alabama | 2026 – 3rd Qtr | February 23, 2026 [7] [8] |
565 | 912 | Georgia | 2028 – 2nd Qtr [9] | TBA |
679 | 313 | Michigan | 2028 – 1st Qtr | November 7, 2025 [10] |
729 | 423 | Tennessee | 2026 – 3rd Qtr | September 5, 2025 [11] |
761 | 502 | Kentucky | 2027 – 3rd Qtr [12] | TBA |
851 | 782/902 | Nova Scotia | 2028 – 2nd Qtr | TBA |
NPA boundary changes, overlay expansions, etc. | ||||
n/a |