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: 814

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-814 A St Louis MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
314-814 0 St Louis MO   6529 T-MOBILE USA, INC. 520   2003-04-07   
314-814 1 St Louis MO   6529 T-MOBILE USA, INC. 520   2003-04-30   
314-814 2 St Louis MO   6529 T-MOBILE USA, INC. 520   2003-05-27   
314-814 3 St Louis MO   6529 T-MOBILE USA, INC. 520   2003-05-27   
314-814 4 St Louis MO   6529 T-MOBILE USA, INC. 520   2003-05-27   
314-814 5 St Louis MO   6529 T-MOBILE USA, INC. 520   2003-07-03   
314-814 6 St Louis MO   6529 T-MOBILE USA, INC. 520   2003-08-01   
314-814 7 St Louis MO   6529 T-MOBILE USA, INC. 520   2003-08-01   
314-814 8 St Louis MO   7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520      
314-814 9 St Louis MO   6529 T-MOBILE USA, INC. 520   2005-06-20   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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