Starting in early August, people in the 423 area code region will need to dial the full 10 digits for local calls.

The change to 10-digit dialing in the 509 area code is a step toward ensuring that everyone in the country will be able to reach the National Suicide Prevention Lifeline using a three-digit code ...

To help facilitate the creation of “988”, area codes that use “988” as a local exchange, or the first three digits of a seven-digit phone number, will need to use 10-digit dialing." ...

People who live in the 209 area code — including residents of Tuolumne and Calaveras counties — are going to have to switch to 10-digit or 11-digit calling by Oct.

The Pennsylvania Public Utility Commission issued a reminder Tuesday to residents and businesses across the 717 area code that the switch to 10-digit dialing for all local calls -- in preparation ...

The 938 area code went into effect July 10, 2010. To prepare telephone customers for the change, the Public Service Commission about a month earlier implemented 10-digit dialing for all calls in ...