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 ...
If your phone rings just once from a three-digit area code, you may assume the call is coming from somewhere in the United States and be tempted to call the number back. But satisfying your curiosity ...