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: 730 [Rate centres in NPA 730] [Dial plan for NPA 730]

NXX: 214

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
730-214 A Kinmundy IL STLSMOWQDS2  224C ONVOY, LLC 520      
730-214 0 Kinmundy IL STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-04   
730-214 1 Kinmundy IL   063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2025-06-09   
730-214 2 Kinmundy IL STLSMOWQDS2  224C ONVOY, LLC 520   2023-11-12   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.