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.

New customers in the 360 region now get a 564 area code, which actually has been around since 2017. If you live in 425, 206 and 253, your days are numbered. You’ll eventually be part of the 564 ...

will start in western parts of the state that fall under the 360 area code, eventually expanding to Seattle (206), Tacoma (253) and Bellevue-Redmond (425) once number combinations in those areas ...

Washington is approved to receive a new area code as options for the 206 code dwindle. The state has six codes currently. Dreamstime TNS A new area code is coming to the Seattle area to overlay ...