Washingtonians, get ready for a new area code. T-Mobile is letting customers know that a long-planned additional area code for western Washington State — 564 — is coming in 2017. In addition, soon ...
An iPhone as seen in February. Starting July 29, Western Washington residents will no longer be able to make phone calls without punching in the three-digit area code. A new area code, 564, will be ...
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