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: 358

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-358 A Maple Valley WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-358 0 Maple Valley WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-06-24   
425-358 1 Maple Valley WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2004-05-16   
425-358 2 Maple Valley WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2012-03-01   
425-358 3 Maple Valley WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-02-14   
425-358 4 Maple Valley WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
425-358 5 Maple Valley WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-05-16   
425-358 6 Maple Valley WA   483E ONVOY, LLC - WA 674   2011-01-09   
425-358 7 Maple Valley WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2011-10-27   
425-358 8 Maple Valley WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2013-11-11   
425-358 9 Maple Valley WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2017-10-06   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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