Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Bellevue, WA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
425-999 6 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2008-07-21   
425-999 7 STTLWA060MD  6529 T-MOBILE USA, INC. 674   2008-07-20   
425-999 8 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2007-12-17   
425-999 9 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2008-07-21   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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