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: 891

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-891 A Dexter MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
573-891 0 Dexter MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
573-891 1 Dexter MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520      
573-891 2 Dexter MO STLSMO09WMD  516C AT&T CORP. 520      
573-891 3 Dexter MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
573-891 4 Dexter MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-891 6 Dexter MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-891 7 Dexter MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
573-891 8 Dexter MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      
573-891 9 Dexter MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.