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Phone Directory 509-478 Detail

State Major City Time Zone
Washington Spokane Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
509-478 Thornton, WA Frontier Communications Northwest Inc. Whitman Landline 02/04/1994

Other Series For Prefixes

509-4780###
509-4781###
509-4782###
509-4783###
509-4784###
509-4785###
509-4786###
509-4787###
509-4788###
509-4789###