Local Calling Guide

Area code/prefix search

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

NXX: 457

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-457 A Seattle WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
206-457 0 Seattle WA   483E ONVOY, LLC - WA 674      
206-457 1 Seattle WA   483E ONVOY, LLC - WA 674      
206-457 2 Seattle WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2011-06-17   
206-457 3 Seattle WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2011-06-17   
206-457 4 Seattle WA   318J COMCAST IP PHONE, LLC 674   2011-07-07   
206-457 5 Seattle WA   318J COMCAST IP PHONE, LLC 674   2011-07-07   
206-457 6 Seattle WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-08-23   
206-457 7 Seattle WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-08-23   
206-457 8 Seattle WA   318J COMCAST IP PHONE, LLC 674   2011-07-07   
206-457 9 Seattle WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-08-23   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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