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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
415-632 2   5562 METROPCS, INC. 722   2005-08-12   
415-632 3   649C ONVOY, LLC - CA 722   2007-07-17   
415-632 4   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-09-10   
415-632 5   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2007-09-10   
415-632 6   6529 T-MOBILE USA, INC. 722   2005-10-02   
415-632 7   6529 T-MOBILE USA, INC. 722   2005-10-02   
415-632 8   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-17   
415-632 9   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-17   
415-633 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-633 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-633 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-633 2   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-633 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-633 4   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
415-633 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-633 6   981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-09   
415-633 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-633 8   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
415-633 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-635 A OKLECAZV1MD  5562 METROPCS, INC. 722      
415-635 0   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2013-04-07   
415-635 1   5562 METROPCS, INC. 722   2013-03-15   
415-635 2   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2013-03-18   
415-635 3   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2013-03-18   
415-635 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-03-18   
415-635 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-12-01   
415-635 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-11-12   
415-635 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-11-12   
415-635 8   5562 METROPCS, INC. 722   2013-03-15   
415-635 9   5562 METROPCS, INC. 722   2013-03-15   
415-636 A SNFCCA01DS0  9740 PACIFIC BELL 722      
415-636 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-12-20   
415-636 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-12-20   
415-636 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-12-20   
415-636 3   624H ONVOY SPECTRUM, LLC 722   2022-05-21   
415-636 4   9740 PACIFIC BELL 722      
415-636 5   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-08-09   
415-636 6   981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-08-20   
415-636 7   981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-08-20   
415-636 8   981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-08-20   
415-636 9   981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-08-20   
415-637 A OKLECAZV1MD  5562 METROPCS, INC. 722      
415-637 0   5562 METROPCS, INC. 722      
415-637 1   5562 METROPCS, INC. 722      
415-637 2   5562 METROPCS, INC. 722      
415-637 3   5562 METROPCS, INC. 722      
415-637 4   5562 METROPCS, INC. 722      
415-637 5   5562 METROPCS, INC. 722      
415-637 6   5562 METROPCS, INC. 722      
415-637 7   5562 METROPCS, INC. 722      
415-637 8   5562 METROPCS, INC. 722      
415-637 9   5562 METROPCS, INC. 722      
415-638 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
415-638 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-08-29   
415-638 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-08-29   
415-638 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-08-29   
415-638 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-08-29   
415-638 4   829J PAETEC ITEL, LLC 722   2013-08-30   
415-638 5   624H ONVOY SPECTRUM, LLC 722   2023-11-08   
415-638 6   318J COMCAST IP PHONE, LLC 722   2013-09-05   
415-638 7   6529 T-MOBILE USA, INC. 722   2013-08-30   
415-638 8   829J PAETEC ITEL, LLC 722   2013-08-30   
415-638 9   981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-08-30   
415-640 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-641 A SNFCCA05DS0  9740 PACIFIC BELL 722      
415-642 A SNFCCA05DS0  9740 PACIFIC BELL 722      
415-643 A SNFCCA05DS0  9740 PACIFIC BELL 722      
415-644 A SNFCCA21DS1  9740 PACIFIC BELL 722      
415-644 0   9740 PACIFIC BELL 722      
415-644 1   9740 PACIFIC BELL 722      
415-644 2   9740 PACIFIC BELL 722      
415-644 3   9740 PACIFIC BELL 722      
415-644 4   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2008-05-04   
415-644 5   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-03-10   
415-644 6   9740 PACIFIC BELL 722      
415-644 7   9740 PACIFIC BELL 722      
415-644 8   981E BANDWIDTH.COM CLEC, LLC - CA 722   2009-11-09   
415-644 9   9740 PACIFIC BELL 722      
415-645 A HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-645 0   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-645 1   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-645 2   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2009-08-17   
415-645 3   6529 T-MOBILE USA, INC. 722   2005-10-02   
415-645 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-645 5   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-645 6   7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
415-645 7   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-645 8   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-645 9   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722      
415-646 A SNFCCA01DS0  9740 PACIFIC BELL 722      
415-646 0   9740 PACIFIC BELL 722      
415-646 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-07-30   
415-646 2   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-08-09   
415-646 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-07-30   
415-646 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2015-08-09   
415-646 5   6529 T-MOBILE USA, INC. 722   2005-10-02   
415-646 6   6529 T-MOBILE USA, INC. 722   2006-08-03   
415-646 7   9740 PACIFIC BELL 722      
415-646 8   9740 PACIFIC BELL 722      
415-646 9   9740 PACIFIC BELL 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 40 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.