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: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-312 A Elsberry MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520      
573-312 0 Elsberry MO   993E BANDWIDTH.COM CLEC, LLC - MO 520   2009-01-18   
573-312 1 Elsberry MO   6123 TELEPORT COMMUNICATIONS AMERICA, LLC - MO 520   2020-08-14   
573-312 2 Elsberry MO   093F ONVOY, LLC - MO 520   2016-04-04   
573-312 3 Elsberry MO   093F ONVOY, LLC - MO 520   2016-04-04   
573-312 4 Elsberry MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2005-01-23   
573-312 5 Elsberry MO   516C AT&T CORP. 520   2011-05-20   
573-312 6 Elsberry MO   225F PEERLESS NETWORK OF MISSOURI, LLC - MO 520   2012-10-15   
573-312 8 Elsberry MO   093F ONVOY, LLC - MO 520   2016-09-27   
573-312 9 Elsberry MO   093F ONVOY, LLC - MO 520   2016-09-27   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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