Area codes 256 and 938 are telephone area codes in the North American Numbering Plan (NANP) for North Alabama, as well as some eastern portions of the state.
[1] A permissive dialing period, that permitted time to reprogram computers, cell phones, pagers and fax machines, allowed the use of 205 through September 28, 1998.
[2][3] As a result, ten-digit dialing was implemented for all numbers in the area with voluntary compliance beginning on November 7, 2009, and mandatory use by June 5, 2010, instead of dialing 7 digits.
[4] This timing roughly coincided with the end of the originally projected 12-year "life span" of the original 256 area code.
[2] The numbering plan area comprises north and northeast Alabama and includes the following metropolitan areas: