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: 955

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-955 A Arvin CA BKFDCAKTX6X  965H FRACTEL, LLC 734      
661-955 0 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-03-08   
661-955 1 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-03-08   
661-955 2 Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734   2021-03-08   
661-955 3 Arvin CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-04-05   
661-955 4 Arvin CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2022-05-08   
661-955 5 Arvin CA BKFDCAKTX6X  965H FRACTEL, LLC 734   2021-01-08   
661-955 6 Arvin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-03-05   
661-955 7 Arvin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-03-05   
661-955 8 Arvin CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-03-26   
661-955 9 Arvin CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2021-03-26   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.