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.

Grass Valley: Main DA, CA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
530-205 A WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726      
530-205 0 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2009-10-12   
530-205 1   515J IP HORIZON LLC 726      
530-205 2   515J IP HORIZON LLC 726      
530-205 3 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2009-01-13   
530-205 4   515J IP HORIZON LLC 726      
530-205 5 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2003-11-02   
530-205 6 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2003-11-02   
530-205 7 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2004-09-10   
530-205 8 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2004-09-10   
530-205 9 SCRMCA0111Z  318J COMCAST IP PHONE, LLC 726   2006-09-30   
530-263 A SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-263 0 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-263 1 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-263 2 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-263 3 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-263 4 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-263 5 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-263 6 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-263 7 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-263 8 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2003-11-02   
530-263 9 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2007-10-20   
530-270 A SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-270 0 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
530-270 1 SCRMCA01XQY  9262 UTILITY TELECOM GROUP, LLC - CA 726      
530-270 2 WSCRCAKE1MD  5562 METROPCS, INC. 726   2021-09-26   
530-270 3 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-270 4 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-270 5 WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726   2024-10-11   
530-270 6 WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726   2020-08-01   
530-270 7 SCRMCA01XSY  649C ONVOY, LLC - CA 726      
530-270 8 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2021-07-18   
530-270 9 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2010-02-28   
530-271 A GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 0 GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 1 GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 2 GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 3 GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 4 GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 5 GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 6 GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 7 GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 8 GRVYCA01DS0  9740 PACIFIC BELL 726      
530-271 9 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2021-07-18   
530-272 A GRVYCA01DS0  9740 PACIFIC BELL 726      
530-273 A GRVYCA01DS0  9740 PACIFIC BELL 726      
530-274 A GRVYCA01DS0  9740 PACIFIC BELL 726      
530-277 A WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726      
530-374 A SCRMCA01XXY  9748 AMERICAN MESSAGING SERVICES, LLC 726      
530-432 A GRVYCA12DS0  9740 PACIFIC BELL 726      
530-445 A SCRMCA01XXY  6906 AMERICAN MESSAGING SERVICES, LLC 726      
530-446 A SCRMCA01XFZ  388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA 726      
530-446 0 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2014-05-20   
530-446 1 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2014-10-09   
530-446 2 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2014-12-12   
530-446 3 SCRMCA01XFZ  388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA 726   2014-04-07   
530-446 4 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2014-09-11   
530-446 5 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2014-11-25   
530-446 6 SCRMCA0111Z  318J COMCAST IP PHONE, LLC 726   2014-04-08   
530-446 8 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2014-12-12   
530-446 9 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2014-12-12   
530-460 A SCRMCA0111Z  318J COMCAST IP PHONE, LLC 726      
530-460 0 SCRMCA01X7Z  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2020-11-07   
530-460 1 SCRMCA0111Z  318J COMCAST IP PHONE, LLC 726   2018-07-13   
530-460 2 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2021-07-18   
530-460 3 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2021-07-18   
530-460 4 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-02-23   
530-460 5 SCRMCA01X2Z  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 726   2018-12-28   
530-460 6 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2019-02-23   
530-460 7 WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726   2021-06-11   
530-460 8 WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726   2019-03-10   
530-460 9 WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726   2018-10-29   
530-477 A GRVYCA01DS0  9740 PACIFIC BELL 726      
530-559 A WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726      
530-575 A SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-575 0 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-575 1 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-575 2 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2005-11-13   
530-575 3 SCRMCA01XQY  9262 UTILITY TELECOM GROUP, LLC - CA 726   2005-04-26   
530-575 4 SCRMCA01XFZ  388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA 726   2007-05-17   
530-575 5 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2005-03-05   
530-575 6 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726      
530-575 7 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2005-03-05   
530-575 8 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2005-06-23   
530-575 9 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2005-06-23   
530-615 A WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726      
530-615 0 WSCRCAHW3MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2008-09-17   
530-615 1 WSCRCAAHNMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2010-03-06   
530-615 2 SCRLCAXXDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 726   2008-02-29   
530-615 3 SCRMCA01XSY  649C ONVOY, LLC - CA 726   2010-07-19   
530-615 4 SCRMCA0111Z  318J COMCAST IP PHONE, LLC 726   2010-05-05   
530-615 5 SCRMCA01X7Z  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2013-03-28   
530-615 6 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2009-10-25   
530-615 7 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2008-07-25   
530-615 8 SCRMCA01GT1  6010 NEW CINGULAR WIRELESS PCS, LLC 726   2008-02-22   
530-615 9 WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726   2008-02-21   
530-648 A SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
530-648 0 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2015-05-09   
530-648 1 SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726   2016-09-09   
530-648 2 SCRMCA01XSZ  073H TELNYX LLC 726   2017-03-24   

1 2 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.