Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 601 [Rate centres in NPA 601] [Dial plan for NPA 601]

NXX: 843

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-843 A Duffee MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-843 0 Duffee MS   5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-843 1 Duffee MS   5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-843 2 Duffee MS   719E ONVOY, LLC - MS 482   2016-08-23   
601-843 3 Duffee MS   992E BANDWIDTH.COM CLEC, LLC - MS 482   2012-01-12   
601-843 4 Duffee MS   145J TERRA NOVA TELECOM INC. 482   2022-01-05   
601-843 5 Duffee MS   516C AT&T CORP. 482   2013-11-01   
601-843 6 Duffee MS   719E ONVOY, LLC - MS 482   2016-08-23   
601-843 7 Duffee MS   508J CENTURYLINK COMMUNICATIONS, LLC 482   2014-04-06   
601-843 8 Duffee MS   719E ONVOY, LLC - MS 482   2016-04-15   
601-843 9 Duffee MS   719E ONVOY, LLC - MS 482   2016-04-15   

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

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