COLUMBIA, S.C. — On April 25th, ten digit dialing in the 803 area code will go into effect for all calls. Instead of dialing the seven digit number, you’ll have to add the area code before you dial.

10-digit dialing requires callers to enter the area code for the phone number they’re dialing. skynesher Getty Images People making local calls to Lexington phone numbers will now have to dial the 859 ...

In many parts of the US, it has long been possible to make local calls with just the seven-digit phone number; the three-digit area code was implicit for calls between numbers using the same area code ...

If a 10-digit number of (212) 867-5309 was dialed, the 7-digit pattern would match and the first 7 digits of the call 212-8675 would be attempted. The easy fix to the previous challenge in major ...