Learn about the 929 area code and how it is used in the state of New York. Look up numbers, check the time zone, understand ...

DC will be transitioning to a new area code, 771, after reaching a capacity for 202 numbers. Many on social are wondering if this means they need to change numbers.

The new Washington, DC area code goes into effect soon. Here's what to know about 771 and what happens to 202.

An area code overlay occurs when more than one area code serves the same geographic area. With an overlay, current customers keep their area code and telephone number, new customers, or business ...

From the Jersey shore to Central Jersey, phone calls just got a bit more complicated due to the introduction of a new area code and dialing procedures.

On Tuesday, the Kentucky Public Service Commission said the North American Numbering Plan Administrator (NANPA) has chosen ...