Seven-digit dialing is out, 10-digit dialing is in. Starting Sunday, Oct. 24, callers in 82 area codes across 35 states and one U.S. territory will be required to use their three-digit area code ...

New area code, who dis? The Big Apple is getting a new area code after a state board Thursday approved a long-gestating request by wireless companies for a fresh three-digit prefix to join existing ...