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: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-383 A St Louis MO STLSMO02DS2  9533 SOUTHWESTERN BELL 520      
314-383 0 St Louis MO   9533 SOUTHWESTERN BELL 520      
314-383 1 St Louis MO   9533 SOUTHWESTERN BELL 520      
314-383 2 St Louis MO   9533 SOUTHWESTERN BELL 520      
314-383 3 St Louis MO   9533 SOUTHWESTERN BELL 520      
314-383 4 St Louis MO   9533 SOUTHWESTERN BELL 520      
314-383 5 St Louis MO   9533 SOUTHWESTERN BELL 520      
314-383 6 St Louis MO   9533 SOUTHWESTERN BELL 520      
314-383 7 St Louis MO   9533 SOUTHWESTERN BELL 520      
314-383 8 St Louis MO   9533 SOUTHWESTERN BELL 520      
314-383 9 St Louis MO   5814 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO 520   2025-09-19   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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