Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 314 [Rate centres in NPA 314] [Dial plan for NPA 314]

NXX: 904

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-904 A St Louis MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-904 0 St Louis MO   6529 T-MOBILE USA, INC. 520   2021-05-24   
314-904 1 St Louis MO   624H ONVOY SPECTRUM, LLC 520   2020-08-05   
314-904 2 St Louis MO   624H ONVOY SPECTRUM, LLC 520   2020-08-05   
314-904 3 St Louis MO   093F ONVOY, LLC - MO 520   2020-06-01   
314-904 4 St Louis MO   093F ONVOY, LLC - MO 520   2020-06-01   
314-904 5 St Louis MO   093F ONVOY, LLC - MO 520   2020-06-01   
314-904 6 St Louis MO   6529 T-MOBILE USA, INC. 520   2021-05-24   
314-904 7 St Louis MO   624H ONVOY SPECTRUM, LLC 520   2021-05-22   
314-904 8 St Louis MO   624H ONVOY SPECTRUM, LLC 520   2021-05-22   
314-904 9 St Louis MO   624H ONVOY SPECTRUM, LLC 520   2021-05-22   

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

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