Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: BKFDCA01X0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-232 5 Mojave CA 516C AT&T CORP. 734      
661-276 4 Edwards CA 516C AT&T CORP. 734      
661-279 5 Rosamond CA 516C AT&T CORP. 734      
661-282 5 Bakersfield: South DA CA 516C AT&T CORP. 734      
661-289 5 Lebec CA 516C AT&T CORP. 734      
661-292 5 Shafter CA 516C AT&T CORP. 734      
661-368 2 Bakersfield: North DA CA 516C AT&T CORP. 734      
661-410 8 Bakersfield: North DA CA 516C AT&T CORP. 734      
661-412 A Bakersfield: South DA CA 516C AT&T CORP. 734      
661-412 7 Bakersfield: South DA CA 516C AT&T CORP. 734      
661-412 8 Bakersfield: South DA CA 516C AT&T CORP. 734      
661-436 A Arvin CA 516C AT&T CORP. 734      
661-436 7 Arvin CA 516C AT&T CORP. 734      
661-438 7 Wasco CA 516C AT&T CORP. 734      
661-474 2 Delano CA 516C AT&T CORP. 734      
661-491 9 Bakersfield: South DA CA 516C AT&T CORP. 734      
661-493 0 Bakersfield: Main DA CA 516C AT&T CORP. 734      
661-535 8 Bakersfield: North DA CA 516C AT&T CORP. 734      
661-552 5 Earlimart CA 516C AT&T CORP. 734      
661-556 5 Bakersfield: South DA CA 516C AT&T CORP. 734      
661-573 0 Bakersfield: Main DA CA 516C AT&T CORP. 734      
661-615 3 Bakersfield: North DA CA 516C AT&T CORP. 734      
661-742 A Bakersfield: Main DA CA 516C AT&T CORP. 734      
661-742 1 Bakersfield: Main DA CA 516C AT&T CORP. 734      
661-773 A Walker Basin CA 516C AT&T CORP. 734      
661-773 7 Walker Basin CA 516C AT&T CORP. 734      
661-800 5 Bakersfield: Main DA CA 516C AT&T CORP. 734      
661-825 5 Tehachapi CA 516C AT&T CORP. 734      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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