Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BKFHCAON0MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-601 A Bakersfield: North DA CA 939H COMMIO, LLC 734      
661-601 1 Bakersfield: North DA CA 939H COMMIO, LLC 734   2022-04-25   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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