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: 390

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-390 A St Louis MO STLSMOPL5MD  197D VONAGE AMERICA LLC 520      
314-390 0 St Louis MO   197D VONAGE AMERICA LLC 520   2017-10-28   
314-390 1 St Louis MO   197D VONAGE AMERICA LLC 520   2017-10-28   
314-390 2 St Louis MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2018-08-12   
314-390 3 St Louis MO   5562 METROPCS, INC. 520   2018-04-03   
314-390 4 St Louis MO   5562 METROPCS, INC. 520   2018-07-21   
314-390 5 St Louis MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2018-08-23   
314-390 6 St Louis MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2018-08-23   
314-390 7 St Louis MO   5562 METROPCS, INC. 520   2018-07-21   
314-390 8 St Louis MO   5562 METROPCS, INC. 520   2018-07-21   
314-390 9 St Louis MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2018-08-23   

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

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