Telefonní čísla v předvolbě 206 najdete v 9 městech nebo lokalitách.
Tato telefonní čísla najdete v následující města nebo místa: Bainbridge Is, Bainbridge Island, Des Moines, Kirkland, Redmond, Richmond Beach, Seattle, Vashon.
Dopravci poskytující telefonní čísla v této předvolbě jsou: 360networks (usa) Inc., 365 Wireless, AT & T Local, Allegiance Telecom Of Washington, American Messaging (am), Bandwidth.com Clec, Broadvox-clec, Broadwing Communications, Callerid4u, Cbeyond Communications, Cellco Partnership DBA Verizon Wireless, Centurylink Communications LLC, Centurytel of Washington DBA Centurylink, Comcast Phone of Washington / oregon, Electric Lightwave DBA Integra Telecom, Eltopia Communications, Eschelon Telecom of Washington, Fox Communications Corporation, Frontier Communications Northwest Inc., Global Crossing Local Services-wa , Hypercube Telecom, Integra Telecom of Washington, International Telcom, Ltd., Level 3 Communications, Mbc Telecom, Mci Worldcom Communications, Mcimetro Access Transmission Services LLC, Mcleodusa Telecommunications Services- Wa, Neutral Tandem-washington, New Cingular Wireless PCS, Onvoy, Pac – West Telecomm, Peerless Network Washington, Qwest Corporation, Sprint Spectrum Lp, T-mobile Usa, Teleport Communications America, Teltrust Corporation, Tw Telecom Of Washington LLC, Usa Mobility Wireless, World Communications, X5 Solutions, Xo Washington, Ymax Communications Corp ..