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 21 22 23 24 25 26 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-204 5 Nicasio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-10-30   
628-204 6 Nicasio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-10-30   
628-204 7 Nicasio CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-12-08   
628-204 8 Nicasio CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-10-14   
628-204 9 Nicasio CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2016-08-22   
628-205 A San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-205 0 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-10   
628-205 1 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-10   
628-205 2 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-10   
628-205 3 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-10   
628-205 4 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-11-14   
628-205 5 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-30   
628-205 6 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-10-16   
628-205 7 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-11-30   
628-205 8 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-10-31   
628-205 9 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-11   
628-206 A San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722      
628-206 0 San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 1 San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 2 San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 3 San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 4 San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 5 San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 6 San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 7 San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 8 San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 9 San Francisco: Central DA CA SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-207 A San Francisco: Montrose-Evergreen DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-207 0 San Francisco: Montrose-Evergreen DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-29   
628-207 1 San Francisco: Montrose-Evergreen DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-29   
628-207 2 San Francisco: Montrose-Evergreen DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2016-09-29   
628-207 3 San Francisco: Montrose-Evergreen DA CA SNJUCACL1MD  222H LOCAL ACCESS SERVICES LLC - CA 722   2016-09-30   
628-207 4 San Francisco: Montrose-Evergreen DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-10-07   
628-207 5 San Francisco: Montrose-Evergreen DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-10-07   
628-207 6 San Francisco: Montrose-Evergreen DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-10-07   
628-207 7 San Francisco: Montrose-Evergreen DA CA SNRTCAHFDS0  433E SONIC TELECOM, LLC - CA 722   2016-09-30   
628-207 8 San Francisco: Montrose-Evergreen DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-09-30   
628-207 9 San Francisco: Montrose-Evergreen DA CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2016-09-30   
628-208 A San Francisco: Central DA CA SNJUCACL2MD  197D VONAGE NETWORK INC. 722      
628-208 0 San Francisco: Central DA CA SNJUCACL2MD  197D VONAGE NETWORK INC. 722   2016-09-30   
628-208 1 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-12-04   
628-208 2 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-12-04   
628-208 3 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-12-04   
628-208 4 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-12-04   
628-208 5 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2017-07-31   
628-208 6 San Francisco: Central DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2017-07-31   
628-208 7 San Francisco: Central DA CA SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2017-07-31   
628-208 8 San Francisco: Central DA CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS GROUP - SAN FRANCISCO 722   2017-08-18   
628-208 9 San Francisco: Central DA CA FRFECABBCM0  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-12-22   
628-209 A Novato CA SNJUCACL3MD  073H TELNYX 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 >>

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.