Local Calling Guide

Area code/prefix search

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San Francisco: Central DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
415-377 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-377 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-377 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-377 9 OKLECAZV1MD  5562 METROPCS, INC. 722      
415-378 A OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-378 0 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-378 1 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-378 2 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-378 3 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-378 4 OKLECAZV1MD  5562 METROPCS, INC. 722      
415-378 5 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-378 6 OKLECAZV1MD  5562 METROPCS, INC. 722      
415-378 7 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-378 8 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722      
415-378 9 OKLECAZV1MD  5562 METROPCS, INC. 722      
415-385 A HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
415-391 A SNFCCA01DS1  9740 PACIFIC BELL 722      
415-392 A SNFCCA01DS2  9740 PACIFIC BELL 722      
415-393 A SNFCCA01DS0  9740 PACIFIC BELL 722      
415-393 0 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-393 1 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-393 2 SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2023-01-16   
415-393 3 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-393 4 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-393 5 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-393 6 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-393 7 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-393 8 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-393 9 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-394 A SNFCCA01DS2  9740 PACIFIC BELL 722      
415-395 A SNFCCA01DS0  9740 PACIFIC BELL 722      
415-395 0 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-395 1 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-395 2 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-395 3 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-395 4 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-395 5 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-395 6 OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2004-11-24   
415-395 7 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-395 8 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-395 9 SNFCCA01DS0  9740 PACIFIC BELL 722      
415-396 A SNFCCA21DS0  9740 PACIFIC BELL 722      
415-397 A SNFCCA01DS2  9740 PACIFIC BELL 722      
415-398 A SNFCCA01DS1  9740 PACIFIC BELL 722      
415-399 A SNFCCA01DS1  9740 PACIFIC BELL 722      
415-400 A SNFCCAMM8MD  973E RACE TELECOMMUNICATIONS, INC. - CA 722      
415-400 0   829J PAETEC ITEL, LLC 722   2009-04-28   
415-400 1 SNFCCAMM8MD  973E RACE TELECOMMUNICATIONS, INC. - CA 722   2009-03-16   
415-400 2 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2009-04-06   
415-400 3 HYWRCA115MD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 722   2009-04-06   

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

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