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.
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Switch: BKFDCA01X2X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
661-201 A Bakersfield: Main DA CA 6529 T-MOBILE USA, INC. 734      
661-213 A Bakersfield: North DA CA 5562 METROPCS, INC. 734      
661-220 A Arvin CA 6529 T-MOBILE USA, INC. 734      
661-221 A Mojave CA 6529 T-MOBILE USA, INC. 734      
661-232 A Mojave CA 6529 T-MOBILE USA, INC. 734      
661-247 A Arvin CA 6529 T-MOBILE USA, INC. 734      
661-292 A Shafter CA 6529 T-MOBILE USA, INC. 734      
661-293 A Taft CA 6529 T-MOBILE USA, INC. 734      
661-300 A Tehachapi CA 6529 T-MOBILE USA, INC. 734      
661-314 A Bakersfield: Main DA CA 6529 T-MOBILE USA, INC. 734      
661-343 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-344 A Earlimart CA 5562 METROPCS, INC. 734      
661-346 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-416 A Arvin CA 6529 T-MOBILE USA, INC. 734      
661-421 A Bakersfield: Main DA CA 6529 T-MOBILE USA, INC. 734      
661-427 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-437 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-439 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-440 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-444 A Bakersfield: Main DA CA 6529 T-MOBILE USA, INC. 734      
661-447 A Bakersfield: Main DA CA 6529 T-MOBILE USA, INC. 734      
661-472 A Bakersfield: Main DA CA 6529 T-MOBILE USA, INC. 734      
661-490 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-497 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-519 A Arvin CA 6529 T-MOBILE USA, INC. 734      
661-531 A Arvin CA 6529 T-MOBILE USA, INC. 734      
661-545 A Delano CA 6529 T-MOBILE USA, INC. 734      
661-563 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-569 A Bakersfield: Main DA CA 6529 T-MOBILE USA, INC. 734      
661-577 A Taft CA 5562 METROPCS, INC. 734      
661-594 A Shafter CA 6529 T-MOBILE USA, INC. 734      
661-606 A Arvin CA 6529 T-MOBILE USA, INC. 734      
661-653 A Delano CA 6529 T-MOBILE USA, INC. 734      
661-667 A McFarland CA 5562 METROPCS, INC. 734      
661-690 A Delano CA 6529 T-MOBILE USA, INC. 734      
661-709 A Delano CA 6529 T-MOBILE USA, INC. 734      
661-717 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-735 A Bakersfield: South DA CA 6529 T-MOBILE USA, INC. 734      
661-750 A Tehachapi CA 6529 T-MOBILE USA, INC. 734      
661-759 A Wasco CA 5562 METROPCS, INC. 734      
661-770 A Taft CA 6529 T-MOBILE USA, INC. 734      
661-825 A Tehachapi CA 6529 T-MOBILE USA, INC. 734      
661-900 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-978 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-979 A Bakersfield: Main DA CA 5562 METROPCS, INC. 734      
661-996 A Bakersfield: Main DA CA 6529 T-MOBILE USA, INC. 734   2024-03-28   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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