Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 425 [Rate centres in NPA 425] [Dial plan for NPA 425]

NXX: 475

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-475 A Halls Lake WA STTLWAWBXTZ  939H COMMIO, LLC 674      
425-475 0 Halls Lake WA   6529 T-MOBILE USA, INC. 674   2023-09-08   
425-475 1 Halls Lake WA   483E ONVOY, LLC - WA 674   2022-10-10   
425-475 2 Halls Lake WA   483E ONVOY, LLC - WA 674   2022-10-10   
425-475 3 Halls Lake WA   483E ONVOY, LLC - WA 674   2022-10-10   
425-475 4 Halls Lake WA   483E ONVOY, LLC - WA 674   2022-10-10   
425-475 5 Halls Lake WA   939H COMMIO, LLC 674   2022-08-06   
425-475 6 Halls Lake WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2022-11-14   
425-475 7 Halls Lake WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2022-08-28   
425-475 8 Halls Lake WA   6529 T-MOBILE USA, INC. 674   2022-08-07   
425-475 9 Halls Lake WA   6529 T-MOBILE USA, INC. 674   2022-08-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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