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
415-358 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-359 A SNFCCA12DS0  9740 PACIFIC BELL 722      
415-359 0 SNFCCA12DS0  9740 PACIFIC BELL 722      
415-359 1 SNFCCA12DS0  9740 PACIFIC BELL 722      
415-359 2 SNFCCA12DS0  9740 PACIFIC BELL 722      
415-359 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2002-12-02   
415-359 4 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2002-12-02   
415-359 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2002-12-02   
415-359 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2002-12-02   
415-359 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2002-12-02   
415-359 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-04-12   
415-359 9 SNFCCA12DS0  9740 PACIFIC BELL 722      
415-361 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-361 0 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-10-04   
415-361 1 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-10-04   
415-361 2 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-10-04   
415-361 3 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-10-04   
415-361 4 SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722   2012-06-07   
415-361 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2011-10-10   
415-361 6 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-10-02   
415-361 7 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-10-02   
415-361 8 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-10-02   
415-361 9 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2011-10-02   
415-362 A SNFCCA01DS0  9740 PACIFIC BELL 722      
415-363 A SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722      
415-363 0 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2009-04-13   
415-363 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-04-13   
415-363 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-04-13   
415-363 3 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-04-13   
415-363 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-04-13   
415-363 5 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2009-04-13   
415-363 6 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2009-04-13   
415-363 7 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-04-13   
415-363 8 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2009-04-13   
415-363 9 SNJUCACLDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2009-04-13   
415-364 A SNFCCA01DS0  9740 PACIFIC BELL 722      
415-364 0 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-364 1 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-364 2 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-364 3 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-364 4 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-364 5 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-364 6 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-364 7 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-364 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
415-364 9 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-365 A HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
415-369 A SNFCCA21DS1  9740 PACIFIC BELL 722      
415-369 0 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-369 1 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-369 2 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-369 3 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-369 4 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-369 5 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-369 6 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-369 7 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-05-29   
415-369 8 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-369 9 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-370 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-371 A SNFCCA21DS1  9740 PACIFIC BELL 722      
415-371 0 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-371 1 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-371 2 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-371 3 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-371 4 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-371 5 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-371 6 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-371 7 SNFCCA21DS1  9740 PACIFIC BELL 722      
415-371 8 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2014-03-10   
415-371 9 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
415-372 A SNFCCA21XUY  6906 AMERICAN MESSAGING SERVICES, LLC 722      
415-373 A   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-373 0   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-373 1   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-373 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-03-01   
415-373 3   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-373 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-373 5   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-373 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-10-29   
415-373 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-03-01   
415-373 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-03-01   
415-373 9   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-374 A SNFCCA01DS0  9740 PACIFIC BELL 722      
415-374 0 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-03-01   
415-374 1 OKLECAZV1MD  5562 METROPCS, INC. 722   2004-04-07   
415-374 2 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-374 3 OKLECAZV1MD  5562 METROPCS, INC. 722   2004-04-07   
415-374 4 OKLECAZV1MD  5562 METROPCS, INC. 722   2004-04-07   
415-374 5 OKLECAZV1MD  5562 METROPCS, INC. 722   2004-04-07   
415-374 6 OKLECAZV1MD  5562 METROPCS, INC. 722   2004-04-07   
415-374 7 OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2003-02-22   
415-374 8 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-374 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-11-24   
415-376 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-377 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-377 0 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-377 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-377 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-377 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-377 4 OKLECAZV1MD  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 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 >>

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.