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.

Chamois, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-763 A CHMSMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 521      
573-763 0 JFCYMOXAXSX  073H TELNYX LLC 521      
573-763 2 CLMAMOXAXIX  093F ONVOY, LLC - MO 521      
573-763 3 CLMAMOXAXIX  093F ONVOY, LLC - MO 521      
573-763 4 CLMAMOXAXIX  093F ONVOY, LLC - MO 521      
573-763 5 CHMSMOXARS0  9787 BRIGHTSPEED OF MISSOURI, LLC 521      
573-763 6 CLMAMOWB0MD  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 521      
573-763 8 CLMAMOXAXIX  093F ONVOY, LLC - MO 521      
573-763 9   624H ONVOY SPECTRUM, LLC 521      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.