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.

Oakland: Alameda DA, CA

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
510-775 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2013-04-12   
510-800 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-800 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2011-12-30   
510-800 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-07-05   
510-800 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-07-05   
510-800 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-07-05   
510-800 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-07-05   
510-800 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-07-05   
510-800 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-07-05   
510-800 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-07-05   
510-800 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2011-12-30   
510-800 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-07-05   
510-810 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-07-22   
510-810 0 OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-08-18   
510-810 1 OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-10-20   
510-810 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-11-15   
510-810 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-11-20   
510-810 8 OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-10-20   
510-810 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-07-22   
510-814 A ALMDCA11DS0  9740 PACIFIC BELL 722      
510-846 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-846 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-846 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-846 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-846 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-846 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-846 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-846 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2005-08-15   
510-846 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-10-08   
510-846 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-01-09   
510-846 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2007-08-16   
510-863 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-863 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-27   
510-863 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-27   
510-863 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-05-26   
510-863 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-27   
510-863 5 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-863 6 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-863 8 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-11-20   
510-863 9 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-864 A ALMDCA11DS0  9740 PACIFIC BELL 722      
510-865 A ALMDCA11DS0  9740 PACIFIC BELL 722      
510-871 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-871 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-09-11   
510-871 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-05-29   
510-871 2 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2017-03-28   
510-871 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-04   
510-871 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-04   
510-871 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-04   
510-871 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-10-04   
510-871 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-03-02   
510-871 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2017-02-13   
510-871 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-03-23   
510-872 A OKLECAZV1MD  5562 METROPCS, INC. 722      
510-872 0 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-872 1 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-872 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-04-02   
510-872 3 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-872 4 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-872 5 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-872 6 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-872 7 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-872 8 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-872 9 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-905 A OKLECAZV1MD  5562 METROPCS, INC. 722      
510-905 0 SNJUCACL3MD  073H TELNYX LLC 722   2018-12-06   
510-905 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
510-905 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
510-905 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-02-11   
510-905 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-02-11   
510-905 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-02-11   
510-905 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-02-11   
510-905 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-02-11   
510-905 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-02-11   
510-905 9 OKLECAZV1MD  5562 METROPCS, INC. 722   2018-11-08   
510-906 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-906 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-08-27   
510-906 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-08-27   
510-906 2 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-09-22   
510-906 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-14   
510-906 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-08-14   
510-906 5 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-01-09   
510-906 6 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2017-01-09   
510-906 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-03-02   
510-906 8 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-10-08   
510-906 9   515J IP HORIZON LLC 722   2016-09-14   
510-956 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-956 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-18   
510-956 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-18   
510-956 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-18   
510-956 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-18   
510-956 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-03-18   
510-956 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-03-22   
510-956 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-03-22   
510-956 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-03-22   
510-956 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2019-03-22   
510-956 9 OKLECAZV1MD  5562 METROPCS, INC. 722   2019-08-24   
510-975 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-975 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-03-08   
510-975 1 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2019-12-27   

<< 1 2 3 4 5 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.