Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: STTLWA03X9X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-881 A Seattle WA 707G WIDE VOICE, LLC - WA 674   2025-04-13   
206-881 1 Seattle WA 707G WIDE VOICE, LLC - WA 674   2025-04-13   
425-426 A Everett WA 707G WIDE VOICE, LLC - WA 674      
425-426 1 Everett WA 707G WIDE VOICE, LLC - WA 674   2016-03-12   
425-585 A Silver Lake WA 707G WIDE VOICE, LLC - WA 674      
425-585 1 Silver Lake WA 707G WIDE VOICE, LLC - WA 674   2016-11-11   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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