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: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-439 A Creve Coeur MO STLSMO27DS0  9533 SOUTHWESTERN BELL 520      
314-439 0 Creve Coeur MO   9533 SOUTHWESTERN BELL 520      
314-439 1 Creve Coeur MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2013-03-04   
314-439 2 Creve Coeur MO   9533 SOUTHWESTERN BELL 520      
314-439 3 Creve Coeur MO   9533 SOUTHWESTERN BELL 520      
314-439 4 Creve Coeur MO   9533 SOUTHWESTERN BELL 520      
314-439 5 Creve Coeur MO   9533 SOUTHWESTERN BELL 520      
314-439 6 Creve Coeur MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2017-07-31   
314-439 7 Creve Coeur MO   9533 SOUTHWESTERN BELL 520      
314-439 8 Creve Coeur MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-04   
314-439 9 Creve Coeur MO   9533 SOUTHWESTERN BELL 520      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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