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
415-434 3 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-434 4 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-434 5 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-434 6 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-434 7 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-434 8 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-434 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2015-08-04   
415-436 A SNFCCA04DS0  9740 PACIFIC BELL 722      
415-437 A SNFCCA04DS0  9740 PACIFIC BELL 722      
415-438 A SNFCCA01DS2  9740 PACIFIC BELL 722      
415-438 0 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-11-24   
415-438 1 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-438 2 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-438 3 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-438 4 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-438 5 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-438 6 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-438 7 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-438 8 SNFCCA01DS2  9740 PACIFIC BELL 722      
415-438 9 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2016-03-22   
415-439 A SNFCCA01DS1  9740 PACIFIC BELL 722      
415-439 0 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
415-439 1 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-439 2 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-439 3 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-17   
415-439 4 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-439 5 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-439 6 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-439 7 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-439 8 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-439 9 SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-17   
415-440 A SNFCCA12DS0  9740 PACIFIC BELL 722      
415-441 A SNFCCA12DS0  9740 PACIFIC BELL 722      
415-442 A SNFCCA21DS1  9740 PACIFIC BELL 722      
415-445 A SNFCCA01DS1  9740 PACIFIC BELL 722      
415-445 0 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-445 1 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-445 2 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-445 3 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-445 4 SNFCCAMKX1X  9262 UTILITY TELECOM GROUP, LLC - CA 722   2005-10-26   
415-445 5 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-445 6 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-445 7 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-445 8 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-445 9 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-447 A SNFCCA12DS0  9740 PACIFIC BELL 722      
415-449 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
415-470 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
415-470 0 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-10-07   
415-470 1 HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-10-07   

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

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