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: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 630

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-630 A Bonne Terre MO STLSMO09XMD  6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
573-630 0 Bonne Terre MO STLSMOWQCMD  515J IP HORIZON LLC 520      
573-630 1 Bonne Terre MO STLSMOGZ8MD  939H COMMIO, LLC 520      
573-630 2 Bonne Terre MO STLSMOWQCMD  515J IP HORIZON LLC 520      
573-630 3 Bonne Terre MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-630 4 Bonne Terre MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-630 5 Bonne Terre MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-630 6 Bonne Terre MO STLSMO09XMD  6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
573-630 7 Bonne Terre MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-630 8 Bonne Terre MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-630 9 Bonne Terre MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.