Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 589

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-589 A Cockeysville MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-589 0 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 1 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 2 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 3 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      
443-589 4 Cockeysville MD   5562 METROPCS, INC. 238   2013-06-14   
443-589 5 Cockeysville MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2018-10-19   
443-589 6 Cockeysville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-10-19   
443-589 7 Cockeysville MD   876D ONVOY, LLC - MD 238   2016-03-14   
443-589 8 Cockeysville MD   876D ONVOY, LLC - MD 238   2016-03-14   
443-589 9 Cockeysville MD   2589 US LEC OF MARYLAND, INC. 238      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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