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 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
415-992 0 OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2005-03-22   
415-992 1 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-07-24   
415-992 2 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-07-24   
415-992 3 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-05   
415-992 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
415-992 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-05   
415-992 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-05   
415-992 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-05   
415-992 8 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-05   
415-992 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-09-05   
415-994 A SNFCCA01GT0  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-995 A SNFCCA21DS0  9740 PACIFIC BELL 722      
415-998 A SNFCCA21DS1  9740 PACIFIC BELL 722      
415-998 0 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 1 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 2 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 3 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 4 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 5 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 6 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 7 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-998 8 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-998 9 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722      
415-999 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
628-201 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-201 0 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-10-05   
628-201 1 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-01-18   
628-201 2 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-01-18   
628-201 3 SNFCCAFJDS0  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2016-01-18   
628-201 4 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2016-02-05   
628-201 5 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-01-15   
628-201 6 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-01-15   
628-201 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2016-01-15   
628-201 8   515J IP HORIZON LLC 722   2016-10-05   
628-201 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2016-10-09   
628-205 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
628-205 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-10   
628-205 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-10   
628-205 2 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-10   
628-205 3 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-10   
628-205 4 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-11-14   
628-205 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-30   
628-205 6 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-10-16   
628-205 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-11-30   
628-205 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-10-31   
628-205 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-09-11   
628-206 A SNFCCA05DS0  9740 PACIFIC BELL 722      
628-206 0 SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 1 SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   
628-206 2 SNFCCA05DS0  9740 PACIFIC BELL 722   2015-07-02   

<< 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 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.