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
360-392 8 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674      
360-392 9 STTLWANEDS0  7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 674      
360-393 A STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
360-393 0 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
360-393 1 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2005-12-08   
360-393 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
360-393 3 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2006-05-27   
360-393 4 STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2006-05-27   
360-393 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2006-07-28   
360-393 6 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2006-09-25   
360-393 7 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
360-393 8 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2006-09-25   
360-393 9 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674      
360-398 A LARLWAXXRS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-398 0 LARLWAXXRS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-398 1 LARLWAXXRS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-398 2 LARLWAXXRS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-398 3 TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2010-05-13   
360-398 4 STTLWAWB19Z  663D ELTOPIA COMMUNICATIONS, LLC - WA 674   2009-04-15   
360-398 5 TKWLWAZSPS0  7173 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 674   2009-10-03   
360-398 6 PTORWACYDS0  937F ASTOUND BROADBAND, LLC - WA 674   2009-07-20   
360-398 7 LARLWAXXRS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-398 8 LARLWAXXRS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-398 9 LARLWAXXRS0  4423 ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 674      
360-410 A BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-410 0 BLHMWA033MD  5562 METROPCS, INC. 674      
360-410 1 BLHMWA033MD  5562 METROPCS, INC. 674      
360-410 2 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-09-02   
360-410 3 BLHMWA033MD  6529 T-MOBILE USA, INC. 674   2019-05-11   
360-410 4 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2017-03-31   
360-410 5 STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2019-10-02   
360-410 6 BLHMWA033MD  5562 METROPCS, INC. 674      
360-410 7 BLHMWA033MD  5562 METROPCS, INC. 674      
360-410 8 BLHMWA033MD  5562 METROPCS, INC. 674      
360-410 9 BLHMWA033MD  5562 METROPCS, INC. 674      
360-441 A BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-441 0 BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-441 1 BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-441 2 BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-441 3 BLHMWA033MD  6529 T-MOBILE USA, INC. 674   2007-08-13   
360-441 4 BLHMWA033MD  6529 T-MOBILE USA, INC. 674   2007-08-13   
360-441 5 BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-441 6 BLHMWA033MD  6529 T-MOBILE USA, INC. 674   2007-08-13   
360-441 7 BLHMWA033MD  6529 T-MOBILE USA, INC. 674      
360-441 8 BLHMWA033MD  6529 T-MOBILE USA, INC. 674   2010-09-16   
360-441 9   6529 T-MOBILE USA, INC. 674      
360-483 A STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-483 0 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
360-483 1 STTLWAWBDS1  483E ONVOY, LLC - WA 674      
360-483 2 STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2003-09-13   

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

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.