<P> In November 2013, the NANPA announced the exhaustion of available number blocks for area code 404, citing significant population growth in Atlanta . </P> <P> Cobb (cellphones only), Clayton, Douglas (cellphones only), Gwinnett (cellphones only), DeKalb and Fulton </P> <P> All are shared with 770 . </P>

Where is area code 404 located in canada