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: 371

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-371 A Holcomb MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-371 0 Holcomb MO STLSMOWQCMD  515J IP HORIZON LLC 520      
573-371 1 Holcomb MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-371 2 Holcomb MO STLSMOWQCMD  515J IP HORIZON LLC 520      
573-371 3 Holcomb MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
573-371 5 Holcomb MO STLSMO09WMD  516C AT&T CORP. 520      
573-371 6 Holcomb MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-371 7 Holcomb MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-371 8 Holcomb MO STLSMOGZ6MD  073H TELNYX LLC 520      
573-371 9 Holcomb MO   515J IP HORIZON LLC 520      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.