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: 417 [Rate centres in NPA 417] [Dial plan for NPA 417]

NXX: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-640 A Avilla MO BASNMOXAXJX  093F ONVOY, LLC - MO 522      
417-640 2 Avilla MO BASNMOXAXJX  093F ONVOY, LLC - MO 522      
417-640 3 Avilla MO BASNMOXAXJX  093F ONVOY, LLC - MO 522      
417-640 7 Avilla MO SPFDMODL5MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 522      
417-640 9 Avilla MO SPFDMOMCX9X  993E BANDWIDTH.COM CLEC, LLC - MO 522      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.