Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 738

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-738 A Bakersfield: Main DA CA BKFDCAKTX7Y  114J EXIANT COMMUNICATIONS LLC 734   2026-05-21   
661-738 8 Bakersfield: Main DA CA BKFDCAKTX7Y  114J EXIANT COMMUNICATIONS LLC 734   2026-05-21   
661-738 9 Bakersfield: Main DA CA   649C ONVOY, LLC - CA 734   2026-07-24   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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