Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Mount Vernon, WA

<< 1 2 3 4 5 6 7 8 9 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
360-395 2 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2015-12-05   
360-395 3 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-395 4 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-395 5 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2006-01-23   
360-395 6 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-395 7 STTLWA06XLX  506J TWILIO INTERNATIONAL, INC. 674   2021-02-25   
360-395 8 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2006-01-23   
360-395 9 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2023-05-11   
360-399 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
360-399 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-09-13   
360-399 1 PTORWACYDS0  937F ASTOUND BROADBAND, LLC - WA 674   2009-07-20   
360-399 2 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2017-01-12   
360-399 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-06-09   
360-399 4   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2024-03-24   
360-399 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-10-12   
360-399 6 STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-07-22   
360-399 7 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2011-10-27   
360-399 8 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2013-10-10   
360-399 9 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-05-09   
360-404 A MTVRWAXXOMD  566J RADIANTIQ LLC 674      
360-404 0 BOTHWAAK2MD  6529 T-MOBILE USA, INC. 674   2019-12-07   
360-404 1 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-404 2 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-404 3 STTLWAWBDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2021-07-09   
360-404 4 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2020-04-05   
360-404 5 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2018-06-22   
360-404 6 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2008-07-21   
360-404 7 MTVRWAXXOMD  566J RADIANTIQ LLC 674   2021-07-09   
360-404 8 STTLWAWB19Z  663D ELTOPIA COMMUNICATIONS, LLC - WA 674   2020-07-29   
360-404 9 EVRTWAXAX3Y  624H ONVOY SPECTRUM, LLC 674   2023-06-08   
360-416 A MTVRWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-419 A MTVRWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-419 0 MTVRWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-419 1 MTVRWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-419 2 MTVRWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-419 3 MTVRWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-419 4 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2002-07-31   
360-419 5 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-02-14   
360-419 6 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2012-02-26   
360-419 7 MTVRWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-419 8 MTVRWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-419 9 MTVRWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-420 A TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
360-420 0 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
360-420 1 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
360-420 2 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
360-420 3 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2003-08-25   
360-420 4 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2004-09-26   
360-420 5 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-02-14   
360-420 6 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      

<< 1 2 3 4 5 6 7 8 9 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.