Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 415 [Rate centres in NPA 415] [Dial plan for NPA 415]

NXX: 344

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
415-344 A San Francisco: Central DA CA SNFCCA21DS0  9740 PACIFIC BELL 722      
415-344 0 San Francisco: Central DA CA   9740 PACIFIC BELL 722      
415-344 1 San Francisco: Central DA CA   9740 PACIFIC BELL 722      
415-344 2 San Francisco: Central DA CA   9740 PACIFIC BELL 722      
415-344 3 San Francisco: Central DA CA   9740 PACIFIC BELL 722      
415-344 4 San Francisco: Central DA CA   9740 PACIFIC BELL 722      
415-344 5 San Francisco: Central DA CA   9740 PACIFIC BELL 722      
415-344 6 San Francisco: Central DA CA   9740 PACIFIC BELL 722      
415-344 7 San Francisco: Central DA CA   9740 PACIFIC BELL 722      
415-344 8 San Francisco: Central DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2025-03-10   
415-344 9 San Francisco: Central DA CA   9740 PACIFIC BELL 722      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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