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.

NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 344

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-344 A Earlimart CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-344 0 Earlimart CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-344 1 Earlimart CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2014-01-05   
661-344 2 Earlimart CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-344 3 Earlimart CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-03-04   
661-344 4 Earlimart CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2014-01-05   
661-344 5 Earlimart CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-03-04   
661-344 6 Earlimart CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-344 7 Earlimart CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2021-12-08   
661-344 8 Earlimart CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-344 9 Earlimart CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.