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: 381

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-381 A Cape Girardeau MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
573-381 0 Cape Girardeau MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2017-03-23   
573-381 1 Cape Girardeau MO STLVMOOH2MD  5562 METROPCS, INC. 520   2014-10-24   
573-381 2 Cape Girardeau MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2015-02-27   
573-381 3 Cape Girardeau MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2018-10-11   
573-381 4 Cape Girardeau MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2002-12-14   
573-381 5 Cape Girardeau MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-26   
573-381 6 Cape Girardeau MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-26   
573-381 7 Cape Girardeau MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-08-24   
573-381 8 Cape Girardeau MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2020-04-03   
573-381 9 Cape Girardeau MO STLSMOGZ6MD  073H TELNYX LLC 520   2017-03-30   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.