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: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-400 A Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      
314-400 0 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2011-06-16   
314-400 1 Ladue MO STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2011-06-16   
314-400 2 Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2010-12-16   
314-400 3 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2010-04-18   
314-400 4 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2010-04-18   
314-400 5 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2010-01-23   
314-400 6 Ladue MO STLSMOGZWMD  829J PAETEC ITEL, LLC 520   2010-01-23   
314-400 7 Ladue MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2010-12-16   
314-400 8 Ladue MO STLSMO05RMD  993E BANDWIDTH.COM CLEC, LLC - MO 520   2011-10-14   
314-400 9 Ladue MO STLSMOWQDS2  093F ONVOY, LLC - MO 520      

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

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