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: 912

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-912 A St Louis MO   093F ONVOY, LLC - MO 520      
314-912 0 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-912 1 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-912 2 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-912 3 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-912 4 St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-912 5 St Louis MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
314-912 6 St Louis MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
314-912 7 St Louis MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
314-912 8 St Louis MO STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
314-912 9 St Louis MO   093F ONVOY, LLC - MO 520      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.