Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Bakersfield: South DA, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
661-928 7 BKFDCA11GMD  649C ONVOY, LLC - CA 734   2024-07-27   
661-928 8 BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2024-12-05   
661-928 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2025-02-16   

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

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