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.

Whatcom County, WA

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
360-306 1 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-07-02   
360-306 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-05-09   
360-306 3 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2011-08-19   
360-306 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2014-09-13   
360-306 5 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-306 6 BLHMWA033MD  6529 T-MOBILE USA, INC. 674   2008-01-10   
360-306 7 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2011-08-08   
360-306 8 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2007-10-07   
360-306 9 BLHMWA033MD  6529 T-MOBILE USA, INC. 674   2013-04-12   
360-312 A FNDLWAXADS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-312 0 FNDLWAXADS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-312 1 FNDLWAXADS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-312 2 FNDLWAXADS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-312 3 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-02-14   
360-312 4 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2002-06-28   
360-312 5 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2003-09-07   
360-312 6 BLHMWA033MD  6529 T-MOBILE USA, INC. 674   2004-12-13   
360-312 7 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2006-04-24   
360-312 8 FNDLWAXADS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-312 9 FNDLWAXADS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-318 A LYNDWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-318 0 LYNDWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-318 1 LYNDWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-318 2 LYNDWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-318 3 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2006-01-04   
360-318 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2008-02-25   
360-318 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2008-03-17   
360-318 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2008-09-19   
360-318 7 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2007-04-07   
360-318 8 LYNDWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-318 9 LYNDWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-319 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
360-325 A RDMDWASYDS1  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-325 0 RDMDWASYDS1  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-325 1 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-11-12   
360-325 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-05-11   
360-325 3 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-07-06   
360-325 4 STTLWAWBXPZ  073H TELNYX LLC 674   2017-07-26   
360-325 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-09-21   
360-325 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-10-12   
360-325 7 STTLWAWBDS1  483E ONVOY, LLC - WA 674   2007-04-27   
360-325 8 STTLWAWBXPZ  073H TELNYX LLC 674   2019-03-18   
360-325 9 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2015-11-30   
360-332 A BLANWAXBRS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-354 A LYNDWAXXDS1  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-366 A CSTRWAXARS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-366 0 CSTRWAXARS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-366 1 CSTRWAXARS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-366 2 CSTRWAXARS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-366 3 CSTRWAXARS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      

<< 1 2 3 4 5 6 7 8 9 10 11 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.