Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-403 A Wyatt MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-403 0 Wyatt MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-06   
573-403 1 Wyatt MO   515J IP HORIZON LLC 520   2013-12-19   
573-403 2 Wyatt MO STLSMOWQCMD  515J IP HORIZON LLC 520   2023-12-30   
573-403 3 Wyatt MO STLSMOWQCMD  515J IP HORIZON LLC 520   2023-12-30   
573-403 6 Wyatt MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-06   
573-403 7 Wyatt MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2014-07-24   
573-403 8 Wyatt MO STLSMOGZ6MD  073H TELNYX LLC 520   2019-09-30   
573-403 9 Wyatt MO STLSMO05XMX  624H ONVOY SPECTRUM, LLC 520   2025-01-11   

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

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