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.