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: 532

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-532 A Doniphan MO STLSMO05UMD  6275 UNITED STATES CELLULAR - MO 520      
573-532 0 Doniphan MO STLSMO05UMD  6275 UNITED STATES CELLULAR - MO 520      
573-532 1 Doniphan MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-11   
573-532 2 Doniphan MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-02-11   
573-532 5 Doniphan MO   5562 METROPCS, INC. 520   2025-04-10   

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.