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: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-279 A Bellevue WA STTNWAHODS6  7340 XO WASHINGTON, INC. 674      
425-279 0 Bellevue WA   7340 XO WASHINGTON, INC. 674      
425-279 1 Bellevue WA   7340 XO WASHINGTON, INC. 674      
425-279 2 Bellevue WA   7340 XO WASHINGTON, INC. 674      
425-279 3 Bellevue WA   6529 T-MOBILE USA, INC. 674   2005-05-09   
425-279 4 Bellevue WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-05-08   
425-279 5 Bellevue WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-05-08   
425-279 6 Bellevue WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2005-05-08   
425-279 7 Bellevue WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-05-08   
425-279 8 Bellevue WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-05-08   
425-279 9 Bellevue WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-05-08   

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

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