Initially, it served as a relief to the 360 area code. Under the oversight of the North American Numbering Plan Administrator (NANPA), the area code is now being expanded to the 206 area code.

If your current phone number has a "206" area code, this change won't affect you. Eventually, if you're getting a new phone number in the current "206" region, you may be getting a "564" area code.

With 206 area-code phone numbers projected to run out by the end of 2025, the Washington Utilities And Transportation Commission on Thursday approved a plan to implement 564 once 206 runs out.

The 564 area code was first introduced in 2017 to provide relief to the 360 ... Now, as part of a step approach, the 564 area code will be extended to cover the 206 area code, according to the ...

Numbers with the 206 area code are expected to run out within the next two years, meaing the 564 area code will start being used in the Emerald City. Skip Navigation. Share on Facebook; ...

Numbers with the 206 area code are expected to run out within the next two years, meaing the 564 area code will start being used in the Emerald City. Skip Navigation. Share on Facebook; ...