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: 314 [Rate centres in NPA 314] [Dial plan for NPA 314]

NXX: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-998 A Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-998 0 Creve Coeur MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2022-10-10   
314-998 1 Creve Coeur MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2022-10-10   
314-998 2 Creve Coeur MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2022-10-10   
314-998 3 Creve Coeur MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2022-10-10   
314-998 4 Creve Coeur MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2022-11-28   
314-998 5 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-06-12   
314-998 6 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-10-09   
314-998 7 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-10-09   
314-998 8 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-10-09   
314-998 9 Creve Coeur MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2022-10-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.