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: 861

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-861 A Jefferson City MO CLMBMOHR1MD  732J NUSO, LLC 521      
573-861 0 Jefferson City MO   093F ONVOY, LLC - MO 521   2023-07-23   
573-861 1 Jefferson City MO   624H ONVOY SPECTRUM, LLC 521   2023-11-27   
573-861 2 Jefferson City MO   732J NUSO, LLC 521   2023-04-03   
573-861 3 Jefferson City MO   624H ONVOY SPECTRUM, LLC 521   2023-11-27   
573-861 4 Jefferson City MO   624H ONVOY SPECTRUM, LLC 521   2023-11-27   
573-861 5 Jefferson City MO   624H ONVOY SPECTRUM, LLC 521   2023-11-27   
573-861 6 Jefferson City MO   624H ONVOY SPECTRUM, LLC 521   2023-11-27   
573-861 7 Jefferson City MO   732J NUSO, LLC 521   2023-12-22   
573-861 8 Jefferson City MO   732J NUSO, LLC 521   2023-12-22   
573-861 9 Jefferson City MO   732J NUSO, LLC 521   2024-10-24   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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