List of future North American area codes List List

| 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 | 800888877866855 | Overlay | December 7, 2013 |