List of future North American area codes
Columns: New area code | Where | Affected area codes | Format | Effective date
227 | Maryland | 240, 301 | Overlay | None | 274 | Wisconsin | 920 | Overlay | None | 346 | Texas | 281, 713, 832 | Overlay | July 1, 2014 | 364 | Kentucky | 270 | Overlay | March 3, 2014 | 447 | Illinois | 217 | Overlay | None | 464 | Illinois | 708 | Overlay | None | 628 | California | 415 | Overlay | None | 629 | Tennessee | 615 | Overlay | None | 659 | Alabama | 205 | Overlay | None | 679 | Michigan | 313 | Overlay | None | 725 | Nevada | 702 | Overlay | June 3, 2014 | 730 | Illinois | 618 | Overlay | None | 782 | Nova Scotia and Prince Edward Island | 902 | Overlay | November 30, 2014 | 825 | Alberta | 403 , 587 , 780 | Overlay | April 9, 2016 | 844 | Toll-free | 800,888,877,866,855 | Overlay | December 7, 2013 | 930 | Indiana | 812 | Overlay | October 6, 2014 | 959 | Connecticut | 860 | Overlay | August 30, 2014