Callers within Washington’s 509 area code can start including the area code when dialing next month, the Washington Utilities & Transportation Commission said Wednesday.

Beginning Sunday, Oct. 24, you have to add the 509 area code to all calls. The Washington Utilities and Transportation Commission said calls made without adding the area code may not go through.

By October you're going to have to dial the full 10-digits even if you're calling someone with a 509 area code.

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 ...

Starting on Oct. 24, there will be no more seven-digit dialing, you’ll have to add the 509 area code to all calls.

SPOKANE, Wash. - As of Sunday, October 24 callers in Eastern Washington will have to include the 509 area code when making phone calls.

Callers within Washington’s 509 area code must now include that area code, the Washington Utilities and Transportation Commission said.

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