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: 388

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-388 A Cape Girardeau MO CPGRMOCPDS1  993E BANDWIDTH.COM CLEC, LLC - MO 520      
573-388 0 Cape Girardeau MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-02-15   
573-388 1 Cape Girardeau MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2007-06-23   
573-388 2 Cape Girardeau MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2003-09-20   
573-388 3 Cape Girardeau MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2007-04-20   
573-388 4 Cape Girardeau MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-12-22   
573-388 5 Cape Girardeau MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2012-09-14   
573-388 6 Cape Girardeau MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2014-12-19   
573-388 7 Cape Girardeau MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2013-07-24   
573-388 8 Cape Girardeau MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2018-02-24   
573-388 9 Cape Girardeau MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2019-02-15   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.