Local Calling Guide

Area code/prefix search

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

NXX: 351

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-351 A Odenton MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-351 0 Odenton MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-351 1 Odenton MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-351 2 Odenton MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-351 3 Odenton MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      
443-351 4 Odenton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-09-03   
443-351 5 Odenton MD BLTMMDCHFMD  5562 METROPCS, INC. 238   2017-01-19   
443-351 6 Odenton MD   876D ONVOY, LLC - MD 238   2024-03-01   
443-351 7 Odenton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-351 8 Odenton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-27   
443-351 9 Odenton MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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