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: 464

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-464 A Oakville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-464 0 Oakville MO STLSMOWQ8MD  073H TELNYX LLC 520      
314-464 1 Oakville MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520      
314-464 2 Oakville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-464 3 Oakville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-464 4 Oakville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-464 6 Oakville MO   145J TERRA NOVA TELECOM INC. 520      
314-464 7 Oakville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-464 8 Oakville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-464 9 Oakville MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.