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.

San Francisco: Central DA, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
415-501 A SNFCCA01DS2  9740 PACIFIC BELL 722      
415-501 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-501 1 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-501 2 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-501 3 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-501 4 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-501 5 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-501 6 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-501 7 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-501 8 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-501 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-503 A SNFCCA04DS1  9740 PACIFIC BELL 722      
415-503 0 SNFCCA04DS1  9740 PACIFIC BELL 722      
415-503 1 SNFCCA04DS1  9740 PACIFIC BELL 722      
415-503 2 SNFCCA04DS1  9740 PACIFIC BELL 722      
415-503 3 SNFCCA04DS1  9740 PACIFIC BELL 722      
415-503 4 SNFCCA04DS1  9740 PACIFIC BELL 722      
415-503 5 SNFCCA04DS1  9740 PACIFIC BELL 722      
415-503 6 SNFCCA04DS1  9740 PACIFIC BELL 722      
415-503 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-503 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-503 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-505 A   6529 T-MOBILE USA, INC. 722      
415-505 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-505 1 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-505 2   5562 METROPCS, INC. 722      
415-505 3 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-505 4 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-505 5 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-505 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-505 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-505 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-505 9   5562 METROPCS, INC. 722      
415-509 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-510 A OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
415-510 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-510 1 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-510 2 SNFCCA21XDZ  156J RCLEC, INC. 722      
415-510 3 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
415-510 4 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
415-510 5 OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
415-510 6 OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
415-510 7 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
415-510 8 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
415-510 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-512 A SNFCCA21DS1  9740 PACIFIC BELL 722      
415-513 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-513 0 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-513 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-513 2 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-513 3 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-513 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-513 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-513 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-513 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-513 8 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-513 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-515 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
415-516 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
415-517 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
415-518 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-519 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-520 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-522 A SNFCCA04DS0  9740 PACIFIC BELL 722      
415-523 A SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
415-523 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-523 1 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-523 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-523 3 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-523 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-523 5 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-523 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-523 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-523 8 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
415-523 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
415-525 A SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-525 0 OKLECAZVGT0  5562 METROPCS, INC. 722      
415-525 1 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-525 2 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-525 3 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
415-525 4 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
415-525 5 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-525 6 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-525 7 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-525 8 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
415-525 9 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-527 A OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
415-527 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
415-527 1 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
415-527 2 OKLDCAEBDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 722      
415-527 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-527 4 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
415-527 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-527 6 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-527 7 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-527 8 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-527 9 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-529 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-529 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
415-529 1 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.