Did you know Columbus has two area codes? The first three digits dialed on each call denote geographic area, can represent local pride and identity.

Starting Oct. 7, all metro Detroit residents will be required to dial 10 digits to complete calls in preparation for the 679 overlay.

As Detroit's cellular network grows, the city is running out of 313 area code phone numbers. Soon, new phone numbers will ...

East Tennessee has another new area code, and it's going to add three more digits to many people's local calls. Starting Aug. 5, people in upper and lower East Tennessee in the 423 area code region ...

Columbus's 614 area code, overlaid with 380 in 2016, is projected to run out of numbers by 2061. Technology, rather than population growth, is the primary driver of area code exhaustion. The 614 area ...