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
415-348 A SNFCCA21DS0  9740 PACIFIC BELL 722      
415-348 0 SNFCCA21DS0  9740 PACIFIC BELL 722      
415-348 1 SNFCCA21DS0  9740 PACIFIC BELL 722      
415-348 2 SNFCCA21DS0  9740 PACIFIC BELL 722      
415-348 3 SNFCCA21DS0  9740 PACIFIC BELL 722      
415-348 4 SNFCCA21DS0  9740 PACIFIC BELL 722      
415-348 5 SNFCCA21DS0  9740 PACIFIC BELL 722      
415-348 6 SNFCCA21DS0  9740 PACIFIC BELL 722      
415-348 7 SNFCCA21DS0  9740 PACIFIC BELL 722      
415-348 8 SNFCCA21DS0  9740 PACIFIC BELL 722      
415-348 9 SNFCCAMKX1Y  996H AIRESPRING, INC. 722   2020-05-18   
415-350 A SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
415-351 A SNFCCA12DS1  9740 PACIFIC BELL 722      
415-351 0 SNFCCA12DS1  9740 PACIFIC BELL 722      
415-351 1 SNFCCA12DS1  9740 PACIFIC BELL 722      
415-351 2 SNFCCA12DS1  9740 PACIFIC BELL 722      
415-351 3 SNFCCA12DS1  9740 PACIFIC BELL 722      
415-351 4 SNFCCA12DS1  9740 PACIFIC BELL 722      
415-351 5 SNFCCA12DS1  9740 PACIFIC BELL 722      
415-351 6 SNFCCA12DS1  9740 PACIFIC BELL 722      
415-351 7 SNFCCA12DS1  9740 PACIFIC BELL 722      
415-351 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-12-10   
415-351 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-12-10   
415-352 A SNFCCA01DS1  9740 PACIFIC BELL 722      
415-352 0 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-352 1 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-352 2 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-352 3 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-352 4 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-352 5 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-352 6 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-352 7 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-352 8 SNFCCA01DS1  9740 PACIFIC BELL 722      
415-352 9 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2019-01-08   
415-353 A SNFCCA12DS0  9740 PACIFIC BELL 722      
415-354 A SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
415-355 A SNFCCA04DS0  9740 PACIFIC BELL 722      
415-355 0 SNFCCA04DS0  9740 PACIFIC BELL 722      
415-355 1 SNFCCA04DS0  9740 PACIFIC BELL 722      
415-355 2 SNFCCA04DS0  9740 PACIFIC BELL 722      
415-355 3 SNFCCA04DS0  9740 PACIFIC BELL 722      
415-355 4 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2010-02-26   
415-355 5 SNFCCA04DS0  9740 PACIFIC BELL 722      
415-355 6 SNFCCA04DS0  9740 PACIFIC BELL 722      
415-355 7 SNFCCA04DS0  9740 PACIFIC BELL 722      
415-355 8 SNFCCA04DS0  9740 PACIFIC BELL 722      
415-355 9 SNFCCA04DS0  9740 PACIFIC BELL 722      
415-356 A SNFCCA21DS0  9740 PACIFIC BELL 722      
415-357 A SNFCCA21DS0  9740 PACIFIC BELL 722      
415-358 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722      

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

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