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: 828

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-828 A Vandalia MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-828 0 Vandalia MO STLSMOWQ8MD  073H TELNYX LLC 520      
573-828 1 Vandalia MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
573-828 2 Vandalia MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-828 4 Vandalia MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-828 6 Vandalia MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
573-828 7 Vandalia MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-828 8 Vandalia MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-828 9 Vandalia MO   624H ONVOY SPECTRUM, LLC 520      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.