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: 922

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-922 A Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-922 0 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-922 1 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-922 2 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-02-11   
206-922 3 Seattle WA   318J COMCAST IP PHONE, LLC 674   2006-06-20   
206-922 4 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-922 5 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
206-922 6 Seattle WA   829J PAETEC ITEL, LLC 674   2011-06-03   
206-922 7 Seattle WA   483E ONVOY, LLC - WA 674   2010-04-02   
206-922 8 Seattle WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-07-10   
206-922 9 Seattle WA   6529 T-MOBILE USA, INC. 674   2010-08-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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