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: 475

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-475 A Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-475 0 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2011-08-26   
314-475 1 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520   2011-05-07   
314-475 2 Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2012-02-26   
314-475 3 Ladue MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2012-02-26   
314-475 4 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2011-08-26   
314-475 5 Ladue MO STLSMO09WMD  516C AT&T CORP. 520   2011-06-29   
314-475 6 Ladue MO STLSMO20DSA  9533 SOUTHWESTERN BELL 520   2011-10-08   
314-475 7 Ladue MO STLSMO20DSA  9533 SOUTHWESTERN BELL 520   2011-10-08   
314-475 8 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2011-10-18   
314-475 9 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2011-10-18   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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