Local Calling Guide

Area code/prefix search

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

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
425-979 0 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2015-10-07   
425-979 1 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2015-10-07   
425-979 2 EVRTWAXAX5Y  483E ONVOY, LLC - WA 674   2016-01-04   
425-979 3 STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2016-02-14   
425-979 4 EVRTWAXAX5Y  483E ONVOY, LLC - WA 674   2016-02-11   
425-979 5 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2015-12-05   
425-979 6 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2015-12-25   
425-979 7 EVRTWAXAX5Y  483E ONVOY, LLC - WA 674   2015-09-25   
425-979 8 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2015-12-25   
425-979 9 PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2015-08-07   

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

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