Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 206 [Rate centres in NPA 206] [Dial plan for NPA 206]

NXX: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-858 A Seattle WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674      
206-858 0 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-09-19   
206-858 1 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-09-19   
206-858 2 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-02-04   
206-858 3 Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-02-04   
206-858 4 Seattle WA STTLWA03X7X  829J PAETEC ITEL, LLC 674   2013-02-13   
206-858 5 Seattle WA STTLWA03X7X  829J PAETEC ITEL, LLC 674   2013-02-13   
206-858 6 Seattle WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2013-02-27   
206-858 7 Seattle WA TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2012-12-29   
206-858 8 Seattle WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2013-02-25   
206-858 9 Seattle WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2013-02-25   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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