Local Calling Guide

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South San Francisco, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
650-273 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-08   
650-273 5 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-08   
650-273 6 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2011-05-26   
650-273 7 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2012-07-18   
650-273 8 SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-273 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2012-10-07   
650-278 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-278 0 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-278 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-278 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-278 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-278 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2011-09-21   
650-278 5 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2013-08-28   
650-278 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-278 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2005-04-01   
650-278 8 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-26   
650-278 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-291 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
650-296 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-303 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
650-333 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-333 0 OKLECAZV1MD  5562 METROPCS, INC. 722      
650-333 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-333 2 OKLECAZV1MD  5562 METROPCS, INC. 722      
650-333 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-333 4 OKLECAZV1MD  5562 METROPCS, INC. 722      
650-333 5 OKLECAZV1MD  5562 METROPCS, INC. 722      
650-333 6 OKLECAZV1MD  5562 METROPCS, INC. 722      
650-333 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-333 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-333 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
650-351 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-351 0 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-19   
650-351 1 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-351 2 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2022-09-25   
650-351 3 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-351 4 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-351 5 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-19   
650-351 6 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-351 7 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2005-12-08   
650-351 8 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-01-19   
650-351 9 SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2010-02-12   
650-360 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-379 A HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-379 0 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-01-08   
650-379 1 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
650-379 2 SNTDCABLPS0  7174 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 722   2018-06-11   
650-379 3 HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2017-10-12   
650-379 4 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2018-12-23   
650-379 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2018-11-15   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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