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: 394

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-394 A Risco MO STLSMOGZDS5  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520      
573-394 0 Risco MO   515J IP HORIZON LLC 520   2023-12-29   
573-394 1 Risco MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-06   
573-394 2 Risco MO   515J IP HORIZON LLC 520   2023-12-29   
573-394 3 Risco MO   093F ONVOY, LLC - MO 520   2016-09-29   
573-394 5 Risco MO   516C AT&T CORP. 520   2011-05-20   
573-394 6 Risco MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2013-05-06   
573-394 7 Risco MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2025-02-27   
573-394 8 Risco MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2017-09-03   
573-394 9 Risco MO   515J IP HORIZON LLC 520   2013-12-19   

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

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