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: 723

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
417-723 A Crane MO CRANMOXARS0  9784 BRIGHTSPEED OF MISSOURI, LLC 522      
417-723 0 Crane MO CRANMOXARS0  9784 BRIGHTSPEED OF MISSOURI, LLC 522      
417-723 1 Crane MO CRANMOXARS0  9784 BRIGHTSPEED OF MISSOURI, LLC 522      
417-723 3 Crane MO   145J TERRA NOVA TELECOM INC. 522   2025-07-17   
417-723 5 Crane MO CRANMOXARS0  9784 BRIGHTSPEED OF MISSOURI, LLC 522      
417-723 8 Crane MO CRANMOXARS0  9784 BRIGHTSPEED OF MISSOURI, LLC 522      

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.