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: 267

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-267 A Center MO CNTRMOAMRS1  9533 SOUTHWESTERN BELL 520      
573-267 0 Center MO   093F ONVOY, LLC - MO 520   2018-11-30   
573-267 1 Center MO   9533 SOUTHWESTERN BELL 520      
573-267 2 Center MO   093F ONVOY, LLC - MO 520   2019-05-07   
573-267 3 Center MO   9533 SOUTHWESTERN BELL 520      
573-267 4 Center MO   093F ONVOY, LLC - MO 520   2016-12-18   
573-267 5 Center MO   093F ONVOY, LLC - MO 520   2016-12-18   
573-267 6 Center MO   515J IP HORIZON LLC 520   2013-12-19   
573-267 8 Center MO   073H TELNYX LLC 520   2018-10-24   
573-267 9 Center MO   9533 SOUTHWESTERN BELL 520      

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

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