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 ...

SPOKANE, Wash. — If you live in eastern Washington, you won’t be able to do seven-digit dialing starting today. Beginning Sunday, Oct. 24, you have to add the 509 area code to all calls. The ...