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.

Richmond, CA

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
510-829 1 OKLECAZV1MD  5562 METROPCS, INC. 722   2015-04-21   
510-829 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-01-15   
510-829 3 OKLECAZV1MD  5562 METROPCS, INC. 722   2015-04-21   
510-829 4 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-10-03   
510-829 5 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2014-10-03   
510-829 6 OKLECAZV1MD  5562 METROPCS, INC. 722   2014-10-09   
510-829 7 OKLECAZV1MD  5562 METROPCS, INC. 722   2014-10-09   
510-829 8 OKLECAZV1MD  5562 METROPCS, INC. 722   2014-10-09   
510-829 9 OKLECAZV1MD  5562 METROPCS, INC. 722   2014-10-02   
510-831 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-831 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-02-12   
510-831 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-02-12   
510-831 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-02-13   
510-831 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-02-13   
510-831 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-02-13   
510-831 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-02-13   
510-831 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2021-02-13   
510-831 7 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-02-28   
510-831 8 SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722   2024-02-14   
510-831 9 SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-11-11   
510-837 A OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-837 0 OKLECAZV1MD  5562 METROPCS, INC. 722   2005-08-12   
510-837 1 OKLECAZV1MD  5562 METROPCS, INC. 722   2005-08-12   
510-837 2 OKLECAZV1MD  5562 METROPCS, INC. 722   2005-08-12   
510-837 3 OKLDCA03DS5  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-837 4 OKLECAZV1MD  5562 METROPCS, INC. 722   2005-08-12   
510-837 5 OKLECAZV1MD  5562 METROPCS, INC. 722   2005-08-12   
510-837 6 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-12-27   
510-837 7 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-09-14   
510-837 8 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2007-10-20   
510-837 9 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2008-09-14   
510-860 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-860 0 OKLECAZV1MD  5562 METROPCS, INC. 722   2003-11-05   
510-860 1 OKLECAZV1MD  5562 METROPCS, INC. 722   2003-11-05   
510-860 2 OKLECAZV1MD  5562 METROPCS, INC. 722   2003-11-05   
510-860 3 OKLECAZV1MD  5562 METROPCS, INC. 722   2003-11-05   
510-860 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-860 5 OKLECAZV1MD  5562 METROPCS, INC. 722   2003-11-05   
510-860 6 OKLECAZV1MD  5562 METROPCS, INC. 722   2003-11-05   
510-860 7 OKLECAZV1MD  5562 METROPCS, INC. 722   2003-11-05   
510-860 8 OKLECAZV1MD  5562 METROPCS, INC. 722   2003-11-05   
510-860 9 OKLECAZV1MD  5562 METROPCS, INC. 722   2003-11-05   
510-890 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-890 0 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-10-01   
510-890 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2019-06-21   
510-890 2 SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2017-06-15   
510-890 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-01-05   
510-890 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-01-05   
510-890 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2018-05-11   
510-890 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-12-04   
510-890 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-12-04   
510-890 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-10-10   
510-890 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2016-08-12   
510-932 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-932 0 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-932 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-932 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-932 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-932 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-932 5 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-932 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-932 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-932 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
510-932 9 OKLECAZV1MD  5562 METROPCS, INC. 722      
510-942 A SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-942 0 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2016-03-28   
510-942 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-06-05   
510-942 2 SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-01-29   
510-942 3 SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-01-29   
510-942 4 SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2015-01-29   
510-942 5 OKLECAZV1MD  5562 METROPCS, INC. 722   2015-05-11   
510-942 6 OKLECAZV1MD  5562 METROPCS, INC. 722   2015-05-11   
510-942 7 OKLECAZV1MD  5562 METROPCS, INC. 722   2015-05-11   
510-942 8 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-12-29   
510-942 9 OKLECAZV1MD  5562 METROPCS, INC. 722   2015-04-21   
510-965 A RCMDCA11DS0  9740 PACIFIC BELL 722      
510-965 0 RCMDCA11DS0  9740 PACIFIC BELL 722      
510-965 1 RCMDCA11DS0  9740 PACIFIC BELL 722      
510-965 2 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2006-10-07   
510-965 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-08-10   
510-965 4 RCMDCA11DS0  9740 PACIFIC BELL 722      
510-965 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2006-08-10   
510-965 6 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2001-09-03   
510-965 7 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-30   
510-965 8 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-30   
510-965 9 RCMDCA11DS0  9740 PACIFIC BELL 722      
510-966 A OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-09-22   
510-966 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-11-09   
510-966 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-12-10   
510-966 2   624H ONVOY SPECTRUM, LLC 722   2025-05-16   
510-966 3   624H ONVOY SPECTRUM, LLC 722   2025-05-16   
510-966 4   624H ONVOY SPECTRUM, LLC 722   2025-05-16   
510-966 5 OKLDCA03XKY  624H ONVOY SPECTRUM, LLC 722   2024-09-22   
510-966 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-04-21   
510-966 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-06-23   
510-966 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2025-09-10   
510-970 A RCMDCA11DS0  9740 PACIFIC BELL 722      
510-974 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-974 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-11-13   
510-974 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-11-13   

<< 1 2 3 4 5 6 >>

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.