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: 386

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-386 A Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
314-386 0 Ladue MO   6529 T-MOBILE USA, INC. 520   2017-04-30   
314-386 1 Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2016-06-14   
314-386 2 Ladue MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2017-04-23   
314-386 3 Ladue MO   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2016-06-19   
314-386 4 Ladue MO   6529 T-MOBILE USA, INC. 520   2015-08-15   
314-386 5 Ladue MO   6529 T-MOBILE USA, INC. 520   2015-08-15   
314-386 6 Ladue MO   6529 T-MOBILE USA, INC. 520   2015-08-15   
314-386 7 Ladue MO   6529 T-MOBILE USA, INC. 520   2015-08-15   
314-386 8 Ladue MO   6529 T-MOBILE USA, INC. 520   2015-08-15   
314-386 9 Ladue MO   6529 T-MOBILE USA, INC. 520   2015-08-07   

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

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