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.

St Marys, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-401 A STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-401 0 STLSMOWQCMD  515J IP HORIZON LLC 520      
573-401 1 STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
573-401 2 CPGRMOLK0MD  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520      
573-401 3 STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-401 4 STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-401 5 STLSMOWQCMD  515J IP HORIZON LLC 520      
573-401 6 STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-401 7 WNVLMOXAXBX  508J CENTURYLINK COMMUNICATIONS, LLC 520      
573-401 8 STLSMOGZ6MD  073H TELNYX LLC 520      
573-401 9   515J IP HORIZON LLC 520      
573-543 A STMYMOLIRSP  9533 SOUTHWESTERN BELL 520      
573-543 1 STMYMOLIRSP  9533 SOUTHWESTERN BELL 520      
573-543 2 STMYMOLIRSP  9533 SOUTHWESTERN BELL 520      
573-543 3 STMYMOLIRSP  9533 SOUTHWESTERN BELL 520      
573-543 5 STMYMOLIRSP  9533 SOUTHWESTERN BELL 520      
573-543 6 STLSMO09WMD  516C AT&T CORP. 520      
573-543 7 STLSMOWQDS2  093F ONVOY, LLC - MO 520      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.