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.

Fredericktown, MO

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
573-944 6 MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2011-01-02   
573-944 7 MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2011-10-14   
573-944 8 MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-10-08   
573-944 9 MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2015-10-08   

<< 1 2

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.