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: 591

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-591 A Glennville CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-591 0 Glennville CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-591 1 Glennville CA   515J IP HORIZON LLC 734      
661-591 2 Glennville CA   515J IP HORIZON LLC 734      
661-591 3 Glennville CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734      
661-591 4 Glennville CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-591 5 Glennville CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-591 6 Glennville CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-591 8 Glennville CA BKFDCAKTDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734      
661-591 9 Glennville CA BKFDCAKTOMD  073H TELNYX LLC 734      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.