Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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San Francisco: Central DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
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   394L COMCAST PHONE OF CALIFORNIA, 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      
415-377 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      

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Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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