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: 315

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-315 A Seattle WA STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-315 0 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-315 1 Seattle WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2026-05-18   
206-315 2 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-315 3 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-315 4 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-315 5 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-315 6 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-315 7 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-315 8 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      
206-315 9 Seattle WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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