WASHINGTON STATE — The telecommunications network in western Washington is set to undergo a significant change as the 564 ...

The UTC announces the transition from Seattle's 206 area code to 564 to ensure number availability in western Washington.

If you’ve got a 206 number, go ahead and brag a little. It’s about to get exclusive. Starting June 10, the 564 area code will ...

The state agency in charge of area codes says the 206 is exhausted. The new 564 area code offers a good time to reflect on the region's unrelenting growth.

The Utilities and Transportation Commission is reminding Washington residents that a new area code, 564, will be added ...

Seattle is getting a new area code — 564 — starting next month as the OG 206 runs out of available numbers. Why it matters: ...

Next month, area code 564 will be added to cover Western WA to offset area code 206. If you have a 509 area code and live in ...

The 564 area code will overlay Seattle’s existing 206 area code starting June 10, to provide more available phone numbers.