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]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-996 8 Ladue MO STLSMO21DS3  9533 SOUTHWESTERN BELL 520      
314-996 9 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2011-04-04   
314-997 A Ladue MO STLSMO21DS3  9533 SOUTHWESTERN BELL 520      
314-998 A Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-998 0 Creve Coeur MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2022-10-10   
314-998 1 Creve Coeur MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2022-10-10   
314-998 2 Creve Coeur MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2022-10-10   
314-998 3 Creve Coeur MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2022-10-10   
314-998 4 Creve Coeur MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2022-11-28   
314-998 5 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2023-06-12   
314-998 6 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-10-09   
314-998 7 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-10-09   
314-998 8 Creve Coeur MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2022-10-09   
314-998 9 Creve Coeur MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2022-10-10   
314-999 A St Louis MO STLSMOZE7MD  6630 SPOK, INC. 520      

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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