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: 749

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-749 A Irondale MO IRDLMOXARS0  1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-749 0 Irondale MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-749 1 Irondale MO   073H TELNYX LLC 520   2020-07-31   
573-749 2 Irondale MO   792K CHARTER IP ENABLED SERVICES, LLC 520   2024-03-03   
573-749 3 Irondale MO   1151 BRIGHTSPEED OF EAST MISSOURI, LLC 520      
573-749 4 Irondale MO   093F ONVOY, LLC - MO 520   2018-12-07   
573-749 5 Irondale MO   093F ONVOY, LLC - MO 520   2019-11-25   
573-749 6 Irondale MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2013-10-14   
573-749 8 Irondale MO   624H ONVOY SPECTRUM, LLC 520   2024-03-23   
573-749 9 Irondale MO   093F ONVOY, LLC - MO 520   2021-03-07   

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

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