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: 607

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-607 A Seattle WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-607 0 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-607 1 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-607 2 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-607 3 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-607 4 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-607 5 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-607 6 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-12-08   
206-607 7 Seattle WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-07-24   
206-607 8 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-12-08   
206-607 9 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-12-08   

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

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