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: 488

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-488 A Ashland MO CLMAMOXAXBX  508J CENTURYLINK COMMUNICATIONS, LLC 521      
573-488 0 Ashland MO   792K CHARTER IP ENABLED SERVICES, LLC 521   2016-09-25   
573-488 1 Ashland MO   073H TELNYX LLC 521   2020-07-24   
573-488 2 Ashland MO   4932 LEVEL 3 COMMUNICATIONS, LLC - MO 521   2017-12-15   
573-488 3 Ashland MO   093F ONVOY, LLC - MO 521   2021-03-06   
573-488 4 Ashland MO   093F ONVOY, LLC - MO 521   2018-07-16   
573-488 5 Ashland MO   093F ONVOY, LLC - MO 521   2019-11-29   
573-488 6 Ashland MO   093F ONVOY, LLC - MO 521   2019-11-29   
573-488 7 Ashland MO   508J CENTURYLINK COMMUNICATIONS, LLC 521   2013-09-30   
573-488 8 Ashland MO   593K MCC TELEPHONY LLC 521   2022-09-29   
573-488 9 Ashland MO   093F ONVOY, LLC - MO 521   2021-12-05   

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

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