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About 564 Area Code
Located in: Washington
Major Cities: Silverdale, Vancouver, Olympia
Major Carriers: , Vonage/Nexmo - Sybase365, Allstream Inc., Verizon Wireless, Onvoy, LLC, TextNow - Neutral Tandem - SVR, Telnyx LLC, Cricket Wireless - ATT - SVR, Level 3 Communications, LLC, T-Mobile USA, Inc.