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: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-404 A Solomons MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-404 0 Solomons MD   5562 METROPCS, INC. 238   2007-03-19   
443-404 1 Solomons MD   5562 METROPCS, INC. 238      
443-404 2 Solomons MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
443-404 3 Solomons MD   5562 METROPCS, INC. 238   2007-03-19   
443-404 4 Solomons MD   5562 METROPCS, INC. 238   2007-03-19   
443-404 5 Solomons MD   318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-404 6 Solomons MD   5562 METROPCS, INC. 238   2006-07-26   
443-404 7 Solomons MD   5562 METROPCS, INC. 238   2004-07-30   
443-404 8 Solomons MD   5562 METROPCS, INC. 238   2003-11-30   
443-404 9 Solomons MD   5562 METROPCS, INC. 238      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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