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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-997 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-998 A Seattle WA STTLWA06DS4  9638 QWEST CORPORATION 674      
206-999 A Seattle WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      

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Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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