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 Area Code Directory - by Area Code
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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 are subject to change.


Area code State/Province Affected area codes Format Effective date
227 Maryland 240, 301 Overlay None
236 British Columbia 778 TBD None
249 Ontario 705 Overlay March 19, 2011
274 Wisconsin 920 Overlay March 10, 2010
283 Ohio 513 Overlay None
341 California 510 Overlay None
343 Ontario 613 Overlay May 17, 2010
364 Kentucky 270 Split October 29, 2011
369 California 707 Split (3 way) None
380 Ohio 614 Overlay None
447 Illinois 217 Overlay None
458 Oregon 541 Overlay February 10, 2010[1]
464 Illinois 708 Overlay None
470 Georgia 678, 404, 770[2] Multiple overlay None
531 Nebraska 402 Overlay March 26, 2011
534 Wisconsin 715 Overlay August 14, 2010
557 Missouri 314 Overlay None
564 Washington 360 Multiple overlay None
579 Quebec 450 Overlay August 21, 2010
627 California 707 Split (3 way) None
628 California 415 Overlay None
659 Alabama 205 Overlay None
667 Maryland 443 Overlay None
669 California 408 Overlay None
679 Michigan 313 Overlay None
689 Florida 407 Overlay None
721 Sint Maarten None[3] New addition May 31, 2010[4]
730 Illinois 618 Overlay None
737 Texas 512 Overlay None
764 California 650 Overlay None
825 Alberta 587 TBD None
935 California 619 Overlay None
938 Alabama 256 Overlay July 10, 2010[5]
959 Connecticut 860 Overlay None
975 Missouri 816 Overlay None
984 North Carolina 919 Overlay None


[edit] See also

[edit] Notes and references

  1. ^ Oregon gets new area code: 458
  2. ^ Area codes 404 and 770 are distinct and border one another. Area code 678 was added as an overlay of both of them, and 470 would be an overlay of 678.
  3. ^ Sint Maarten is not currently part of the North American Numbering Plan; it uses country code 599 along with the rest of the Netherlands Antilles.
  4. ^ "PL-396: Introduction of NPA 721 (Sint Maarten, Netherlands Antilles)". North American Numbering Plan Administration. 2009-10-02. http://www.nanpa.com/pdf/PL_396.pdf. Retrieved 2009-10-23. 
  5. ^ 938 Coming in 2 years

[edit] External links




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