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: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-284 A Versailles MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520      
573-284 0 Versailles MO STLSMOGZ6MD  073H TELNYX LLC 520   2017-06-12   
573-284 1 Versailles MO   624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-284 2 Versailles MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-29   
573-284 3 Versailles MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-29   
573-284 4 Versailles MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-11-17   
573-284 5 Versailles MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-11-17   
573-284 6 Versailles MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2016-03-11   
573-284 7 Versailles MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-04-11   
573-284 8 Versailles MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-04-11   
573-284 9 Versailles MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2018-12-08   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.