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.

Eureka, CA

1 2 3 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
369-224 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-224 0 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-224 1 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-224 2 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-224 3 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-224 4 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-224 5 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-224 6 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-224 7 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-224 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-224 9 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-11   
369-227 A   624H ONVOY SPECTRUM, LLC 722   2025-02-27   
369-227 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-02-28   
369-227 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-02-28   
369-227 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-07-01   
369-227 3   624H ONVOY SPECTRUM, LLC 722   2025-02-27   
369-227 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-08-18   
369-227 7   145J TERRA NOVA TELECOM INC. 722   2025-02-28   
369-227 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-05-22   
707-267 A SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-267 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2009-11-01   
707-267 1 OKLECAZV1MD  5562 METROPCS, INC. 722   2007-12-07   
707-267 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2004-04-08   
707-267 3 OKLECAZV1MD  5562 METROPCS, INC. 722   2009-04-10   
707-267 4 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-06-24   
707-267 5 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-06-24   
707-267 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-08-27   
707-267 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-09-11   
707-267 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-06-24   
707-267 9 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
707-268 A EURKCA01DS0  9740 PACIFIC BELL 722      
707-269 A EURKCA01DS0  9740 PACIFIC BELL 722      
707-273 A OKLECAZV1MD  5562 METROPCS, INC. 722      
707-273 0 OKLECAZV1MD  5562 METROPCS, INC. 722   2011-04-18   
707-273 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-05-14   
707-273 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-05-08   
707-273 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-05-31   
707-273 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-06-03   
707-273 5 SNFCCA01XGX  516C AT&T CORP. 722   2011-05-26   
707-273 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-08-20   
707-273 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-07-11   
707-273 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-07-11   
707-273 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-08-22   
707-296 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
707-296 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-03-11   
707-296 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-03-27   
707-296 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2013-12-02   
707-296 3 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-04-07   
707-296 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-04-12   
707-296 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-04-12   
707-296 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-11-18   
707-296 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2014-09-22   
707-296 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-09-07   
707-296 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2013-03-29   
707-298 A SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
707-298 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-04-15   
707-298 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-01-13   
707-298 2 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-29   
707-298 3 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-09-11   
707-298 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-12-18   
707-298 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-12-18   
707-298 6 SNVACAHZ0MD  508J CENTURYLINK COMMUNICATIONS, LLC 722   2014-03-28   
707-298 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-09-11   
707-298 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-09-11   
707-298 9 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2016-06-09   
707-362 A CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-362 0 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-362 1 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-362 2 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2007-02-18   
707-362 3 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2007-02-18   
707-362 4 OKLECAZV1MD  5562 METROPCS, INC. 722   2010-10-21   
707-362 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-02-17   
707-362 6 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
707-362 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-01-02   
707-362 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-12-18   
707-362 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2006-10-25   
707-382 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
707-382 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-08-22   
707-382 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-10-15   
707-382 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-11-03   
707-382 3 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-09-30   
707-382 4 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-10-23   
707-382 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-10-31   
707-382 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-07-26   
707-382 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-08-09   
707-382 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-05-31   
707-382 9 CNCRCADOG01  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2012-04-19   
707-407 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-407 0 EURKCA01DMD  388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA 722   2009-09-08   
707-407 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-11-03   
707-407 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2022-11-03   
707-407 3 EURKCA01DMD  388E CEBRIDGE TELECOM CA, LLC DBA SUDDENLINK COMMS - CA 722   2009-09-08   
707-407 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
707-407 5 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-06-17   
707-407 6 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-11-10   
707-407 7 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-11-10   
707-407 8 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-02-03   
707-407 9 CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2004-06-07   
707-440 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-01-21   
707-440 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      

1 2 3 >>

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.