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: 981

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-981 A Camdenton MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2024-05-30   
573-981 0 Camdenton MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2024-05-30   
573-981 1 Camdenton MO STLTMOBOAMD  5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2024-05-31   
573-981 2 Camdenton MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2024-08-16   
573-981 3 Camdenton MO   6275 UNITED STATES CELLULAR - MO 520   2025-02-05   
573-981 4 Camdenton MO   6275 UNITED STATES CELLULAR - MO 520   2025-02-05   
573-981 5 Camdenton MO   6529 T-MOBILE USA, INC. 520   2025-03-09   
573-981 6 Camdenton MO   6275 UNITED STATES CELLULAR - MO 520   2025-03-22   
573-981 7 Camdenton MO   6275 UNITED STATES CELLULAR - MO 520   2025-03-22   
573-981 8 Camdenton MO   6275 UNITED STATES CELLULAR - MO 520   2025-03-22   
573-981 9 Camdenton MO   6275 UNITED STATES CELLULAR - MO 520   2025-03-22   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.