Yakima Herald-Republic

Mandatory 10-digit dialing coming to the 509 area code

Callers within Washington’s 509 area code can start including the area code when dialing next month, the Washington Utilities & Transportation Commission said Wednesday. The change, which starts April ...
Yakima Herald-Republic

10-digit dialing now mandatory in the 509 area code

Callers within Washington’s 509 area code must now include that area code, the Washington Utilities and Transportation Commission said. The switch took effect Sunday, Oct. 24. The change to 10-digit ...