A brand new overlay space code was launched by the NANPA on February 26, 2010 to cowl overlay complexes 678/404 and 678/770. The brand new code will subsequently be lively for town of Atlanta and plenty of different cities comparable to Marietta or Sandy Springs. 10 digit dialing has been obligatory because the introduction of space code 678, so there are not any adjustments in the way in which the residents of those areas will dial out.
Learn NANPA announcement (in PDF format).
Go to area code 470 web page for an inventory of cities served, map and different information.