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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-320 A Everett WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-04-18   
425-320 0 Everett WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2008-09-12   
425-320 1 Everett WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-09-10   
425-320 2 Everett WA   4324 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
425-320 3 Everett WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-09-10   
425-320 4 Everett WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-09-10   
425-320 5 Everett WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2017-10-06   
425-320 6 Everett WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-12-09   
425-320 7 Everett WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-12-09   
425-320 8 Everett WA PLSBWAXXX0X  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-12-09   
425-320 9 Everett WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-12-09   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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