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: 502

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-502 A Gravois Mills MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520      
573-502 0 Gravois Mills MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-27   
573-502 1 Gravois Mills MO OLVEMOAXCA0  5607 CHARTER FIBERLINK - MISSOURI, LLC - MO 520   2014-06-21   
573-502 2 Gravois Mills MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-09-27   
573-502 3 Gravois Mills MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2017-05-02   
573-502 4 Gravois Mills MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2017-05-02   
573-502 5 Gravois Mills MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2017-07-24   
573-502 6 Gravois Mills MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2018-11-29   
573-502 7 Gravois Mills MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-04-04   
573-502 8 Gravois Mills MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2016-04-04   
573-502 9 Gravois Mills MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2016-12-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.