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: 224

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
314-224 A St Louis MO STLSMO09WMD  516C AT&T CORP. 520      
314-224 0 St Louis MO   6529 T-MOBILE USA, INC. 520   2014-03-29   
314-224 1 St Louis MO   6529 T-MOBILE USA, INC. 520   2014-03-29   
314-224 2 St Louis MO   6529 T-MOBILE USA, INC. 520   2014-03-29   
314-224 3 St Louis MO   6529 T-MOBILE USA, INC. 520   2014-03-29   
314-224 4 St Louis MO   6529 T-MOBILE USA, INC. 520   2014-03-29   
314-224 5 St Louis MO   516C AT&T CORP. 520   2014-02-13   
314-224 6 St Louis MO   6529 T-MOBILE USA, INC. 520   2014-03-29   
314-224 7 St Louis MO   6529 T-MOBILE USA, INC. 520   2014-03-29   
314-224 8 St Louis MO   6529 T-MOBILE USA, INC. 520   2014-03-29   
314-224 9 St Louis MO   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2014-04-19   

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

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