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: 377

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-377 A Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-377 0 Ladue MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2022-07-17   
314-377 1 Ladue MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2022-08-12   
314-377 2 Ladue MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2022-08-20   
314-377 3 Ladue MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2022-08-20   
314-377 4 Ladue MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2022-08-20   
314-377 5 Ladue MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2023-01-07   
314-377 6 Ladue MO   093F ONVOY, LLC - MO 520   2022-05-30   
314-377 7 Ladue MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2022-08-20   
314-377 8 Ladue MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2022-08-20   
314-377 9 Ladue MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2022-08-20   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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