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: 633

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
601-633 A Columbia MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482      
601-633 0 Columbia MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482   2006-08-18   
601-633 1 Columbia MS JCSNMSPSX4Y  992E BANDWIDTH.COM CLEC, LLC - MS 482   2008-11-30   
601-633 2 Columbia MS JCSNMSPSX4Y  992E BANDWIDTH.COM CLEC, LLC - MS 482   2010-06-17   
601-633 3 Columbia MS JCSNMSHA2MD  5178 LEVEL 3 COMMUNICATIONS, LLC - MS 482   2011-10-03   
601-633 4 Columbia MS JCSNMSCPXMZ  719E ONVOY, LLC - MS 482   2016-03-30   
601-633 5 Columbia MS JCSNMSPSXBY  516C AT&T CORP. 482   2011-07-12   
601-633 6 Columbia MS JCSNMSCPXWZ  458C TELEPORT COMMUNICATIONS AMERICA - MS - LLC 482   2009-06-04   
601-633 7 Columbia MS JCSNMSCPXMZ  719E ONVOY, LLC - MS 482   2016-03-30   
601-633 8 Columbia MS JCSNMS63DS1  3704 TEC OF JACKSON, INC. 482   2008-10-29   
601-633 9 Columbia MS JCSNMSCPXMZ  719E ONVOY, LLC - MS 482   2016-07-16   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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