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.

Fremont-Newark: Main DA, CA

<< 1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
510-443 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-443 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-443 5 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
510-443 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-443 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-443 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-443 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
510-449 A SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-449 0 SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
510-449 1 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-449 2 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-449 3 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-449 4 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-449 5 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-449 6 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-449 7 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-449 8 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-449 9 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-453 A OKLECAZVGT0  5562 METROPCS, INC. 722      
510-453 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-453 1 OKLECAZVGT0  5562 METROPCS, INC. 722      
510-453 2 OKLECAZVGT0  5562 METROPCS, INC. 722      
510-453 3 OKLECAZVGT0  5562 METROPCS, INC. 722      
510-453 4 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-453 5   6529 T-MOBILE USA, INC. 722      
510-453 6 OKLECAZVGT0  5562 METROPCS, INC. 722      
510-453 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-453 8   6529 T-MOBILE USA, INC. 722      
510-453 9 OKLECAZVGT0  5562 METROPCS, INC. 722      
510-456 A SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-456 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-456 1 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-456 2 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-456 3 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-456 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-456 5 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-456 6 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-456 7 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-456 8 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-456 9 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
510-458 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-458 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-458 1 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-458 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-458 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-458 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-458 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-458 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-458 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-458 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-458 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-468 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-493 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-493 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-493 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-493 2 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-493 3 OKLECAZVGT0  5562 METROPCS, INC. 722      
510-493 4 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-493 5 OKLECAZVGT0  5562 METROPCS, INC. 722      
510-493 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-493 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-493 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-493 9 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-494 A FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 A FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 0 FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 1 FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 2 FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 3 FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 4 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-505 5 FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 6 FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 7 FRMTCA11DS0  9740 PACIFIC BELL 722      
510-505 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-505 9 FRMTCA11DS0  9740 PACIFIC BELL 722      
510-509 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-509 0 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-509 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
510-509 2 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
510-509 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
510-509 4 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-509 5 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-509 6   649C ONVOY, LLC - CA 722      
510-509 7   649C ONVOY, LLC - CA 722      
510-509 8 SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
510-509 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-510 A   0051 SHELCOMM 722   2024-11-03   
510-513 A OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-513 0 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
510-513 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-513 2 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-513 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-513 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-513 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-513 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-513 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
510-513 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
510-513 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
510-516 A SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
510-516 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      

<< 1 2 3 4 5 6 7 8 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.