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: 314

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-314 A Frankford MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-314 1 Frankford MO   515J IP HORIZON LLC 520   2023-12-30   
573-314 2 Frankford MO   515J IP HORIZON LLC 520   2013-12-19   
573-314 3 Frankford MO   093F ONVOY, LLC - MO 520   2016-09-27   
573-314 4 Frankford MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-01-23   
573-314 5 Frankford MO   093F ONVOY, LLC - MO 520   2016-09-27   
573-314 6 Frankford MO   515J IP HORIZON LLC 520   2023-12-30   
573-314 7 Frankford MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2025-02-27   
573-314 8 Frankford MO   073H TELNYX LLC 520   2018-10-24   
573-314 9 Frankford MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2012-10-15   

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

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