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

KNOXVILLE, Tenn. (WVLT) - With a new area code coming to East Tennessee in September, 10-digit dialing will be required ...

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 ...

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." ...

SPOKANE, Wash. — The only area code in Washington that allows seven-digit dialing for phone calls is 509. Beginning April 24, callers will all dial the same way in the state, by using 10-digit ...

This map shows areas covered by the new 326 area code overlay of the 937 area code. Beginning Saturday you'll need to use 10-digit dialing if you're making calls within the 937 area code.

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 ...

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 ...

Current telephone numbers, including area codes will not change On March 21, 2015, customers in the 740/220 area code will be required to dial 10 or 11 digit phone numbers for all local calls ...