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: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-409 A Edgewood MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-409 0 Edgewood MD   829J PAETEC ITEL, LLC 238      
443-409 1 Edgewood MD   5562 METROPCS, INC. 238   2013-06-14   
443-409 2 Edgewood MD   5562 METROPCS, INC. 238   2013-06-14   
443-409 3 Edgewood MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-409 4 Edgewood MD   5562 METROPCS, INC. 238   2014-09-12   
443-409 5 Edgewood MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-07-04   
443-409 6 Edgewood MD   5562 METROPCS, INC. 238   2014-10-03   
443-409 7 Edgewood MD   5562 METROPCS, INC. 238   2014-11-05   
443-409 8 Edgewood MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-409 9 Edgewood MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   

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

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