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.

NPA: 628 [Rate centres in NPA 628] [Dial plan for NPA 628]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-255 5 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-255 6 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-255 7 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-255 8 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-255 9 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-256 A San Francisco: Montrose-Evergreen DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
628-256 0 San Francisco: Montrose-Evergreen DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
628-256 1 San Francisco: Montrose-Evergreen DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
628-256 2 San Francisco: Montrose-Evergreen DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
628-256 3 San Francisco: Montrose-Evergreen DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722      
628-256 4 San Francisco: Montrose-Evergreen DA CA SNJUCACL3MD  073H TELNYX LLC 722      
628-256 5 San Francisco: Montrose-Evergreen DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-256 6 San Francisco: Montrose-Evergreen DA CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722      
628-256 7 San Francisco: Montrose-Evergreen DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
628-256 8 San Francisco: Montrose-Evergreen DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-256 9 San Francisco: Montrose-Evergreen DA CA SNFCCAMM8MD  973E RACE TELECOMMUNICATIONS, INC. - CA 722      
628-257 A Mill Valley CA SNFCCAMM8MD  973E RACE TELECOMMUNICATIONS, INC. - CA 722      
628-257 0 Mill Valley CA SNFCCAMM8MD  973E RACE TELECOMMUNICATIONS, INC. - CA 722      
628-257 1 Mill Valley CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-257 2 Mill Valley CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-257 3 Mill Valley CA SNJUCACL3MD  073H TELNYX LLC 722      
628-257 4 Mill Valley CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
628-257 5 Mill Valley CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722      
628-257 6 Mill Valley CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-257 7 Mill Valley CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-257 8 Mill Valley CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-257 9 Mill Valley CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-258 A Nicasio CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
628-258 0 Nicasio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-258 1 Nicasio CA SNJUCACL3MD  073H TELNYX LLC 722      
628-258 2 Nicasio CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722      
628-258 3 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-258 4 Nicasio CA SNFCCAMKX6Y  515J IP HORIZON LLC 722      
628-258 5 Nicasio CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
628-258 6 Nicasio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-258 7 Nicasio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-258 8 Nicasio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-258 9 Nicasio CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
628-259 A Ignacio CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
628-259 0 Ignacio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-259 1 Ignacio CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-259 2 Ignacio CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
628-259 3 Ignacio CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
628-259 4 Ignacio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-259 5 Ignacio CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722      
628-259 6 Ignacio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-259 7 Ignacio CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
628-259 8 Ignacio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-259 9 Ignacio CA CNCRCADOCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
628-260 A San Francisco: Central DA CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-260 0 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-260 1 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-260 2 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-260 3 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-260 4 San Francisco: Central DA CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-260 5 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-260 6 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-260 7 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-260 8 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-260 9 San Francisco: Central DA CA SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
628-261 A Sausalito CA SNJUCACL8MD  145J TERRA NOVA TELECOM INC. 722      
628-261 0 Sausalito CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-261 1 Sausalito CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-261 2 Sausalito CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-261 3 Sausalito CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-261 4 Sausalito CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-261 5 Sausalito CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-261 6 Sausalito CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-261 7 Sausalito CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-261 8 Sausalito CA   145J TERRA NOVA TELECOM INC. 722      
628-261 9 Sausalito CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-262 A Belvedere CA SNFCCAMKX0X  114J EXIANT COMMUNICATIONS LLC 722      
628-262 0 Belvedere CA SNFCCAMKX3Y  597F VOIP INNOVATIONS, LLC 722      
628-262 1 Belvedere CA SNFCCAMKX0X  114J EXIANT COMMUNICATIONS LLC 722      
628-262 2 Belvedere CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-262 3 Belvedere CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
628-262 4 Belvedere CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
628-262 5 Belvedere CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
628-262 6 Belvedere CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-262 7 Belvedere CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
628-262 8 Belvedere CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-262 9 Belvedere CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
628-263 A San Francisco: Central DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
628-263 0 San Francisco: Central DA CA WSCRCAAHPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
628-263 1 San Francisco: Central DA CA WSCRCAAHPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
628-263 2 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-263 3 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
628-263 4 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
628-263 5 San Francisco: Central DA CA FRMTCAJYDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 722      
628-263 6 San Francisco: Central DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
628-263 7 San Francisco: Central DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
628-263 8 San Francisco: Central DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
628-263 9 San Francisco: Central DA CA HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
628-264 A San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
628-264 0 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-264 1 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-264 2 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-264 3 San Francisco: Central DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-264 4 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      
628-264 5 San Francisco: Central DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.