Area code overlay is the introduction of a new area code to a region. In this case, 457 is being added to the 318 area code ...

Existing numbers won't be impacted, officials said, but all customers will have to use 10-digit dialing to make calls when the new code is implemented.

A new dialing procedure for 318 area codes is going into effect soon, and a new area code is being introduced. Here's what to know.

Houston's newest area code launches soon. When has the region gotten new area codes in the past?

Spokeo reports that prestigious area codes like 212 in Manhattan and 310 in Beverly Hills symbolize status and regional pride ...

It will be the 11th area code in the state, the Georgia Public Service Commission announced on Tuesday.

The 621 area code joins the other ones in Houston -- 281, 346, 832 and the original 713. Customers will get the 621 area code once all numbers are with the existing area codes are exhausted.

The singular "406" area code is a major part of Montana's branding, evidenced by the fact that there are 1,900 active businesses using some variation of "406" in their title.

The Public Service Commission of South Carolina (PSC) announced that Upstate is gaining a new area code.

South Carolina is getting a new area code that could be popping up on a phone near you very soon.