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: 820

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-820 A Ladue MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520      
314-820 0 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2020-07-04   
314-820 1 Ladue MO STLSMOWQ8MD  073H TELNYX LLC 520   2020-10-16   
314-820 2 Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2020-03-27   
314-820 3 Ladue MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2020-05-18   
314-820 4 Ladue MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2020-05-08   
314-820 5 Ladue MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2020-03-13   
314-820 6 Ladue MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2019-04-02   
314-820 7 Ladue MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2020-03-23   
314-820 8 Ladue MO STLSMO09XMD  7218 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2020-03-23   
314-820 9 Ladue MO NWTPMOABGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2021-02-08   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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