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: 661

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-661 A Bowling Green MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
573-661 0 Bowling Green MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2021-03-03   
573-661 1 Bowling Green MO   939H COMMIO, LLC 520   2022-10-13   
573-661 2 Bowling Green MO   093F ONVOY, LLC - MO 520   2021-05-13   
573-661 4 Bowling Green MO   093F ONVOY, LLC - MO 520   2021-05-13   
573-661 6 Bowling Green MO   515J IP HORIZON LLC 520   2023-12-08   
573-661 7 Bowling Green MO   515J IP HORIZON LLC 520   2023-12-08   
573-661 9 Bowling Green MO   6529 T-MOBILE USA, INC. 520   2020-12-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.