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: 634

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-634 A Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-634 0 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-634 1 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-634 2 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-634 3 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-634 4 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-634 5 Bakersfield: Main DA CA   5562 METROPCS, INC. 734   2014-12-29   
661-634 6 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-634 7 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-634 8 Bakersfield: Main DA CA   073H TELNYX LLC 734   2021-12-12   
661-634 9 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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