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: 996

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-996 A Doniphan MO DNPHMOXXDS0  1885 WINDSTREAM MISSOURI, INC. 520      
573-996 0 Doniphan MO   1885 WINDSTREAM MISSOURI, INC. 520      
573-996 1 Doniphan MO   1885 WINDSTREAM MISSOURI, INC. 520      
573-996 2 Doniphan MO   1885 WINDSTREAM MISSOURI, INC. 520      
573-996 3 Doniphan MO   1885 WINDSTREAM MISSOURI, INC. 520      
573-996 4 Doniphan MO   1885 WINDSTREAM MISSOURI, INC. 520      
573-996 5 Doniphan MO   1885 WINDSTREAM MISSOURI, INC. 520      
573-996 6 Doniphan MO   6275 UNITED STATES CELLULAR - MO 520      
573-996 7 Doniphan MO   1885 WINDSTREAM MISSOURI, INC. 520      
573-996 8 Doniphan MO   1885 WINDSTREAM MISSOURI, INC. 520      
573-996 9 Doniphan MO   1885 WINDSTREAM MISSOURI, INC. 520      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.