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: 522

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-522 A Reisterstown MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-522 0 Reisterstown MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
443-522 1 Reisterstown MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-06-14   
443-522 2 Reisterstown MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2012-05-26   
443-522 3 Reisterstown MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2013-10-11   
443-522 4 Reisterstown MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2014-03-27   
443-522 5 Reisterstown MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2014-04-30   
443-522 6 Reisterstown MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2014-08-22   
443-522 7 Reisterstown MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2014-09-26   
443-522 8 Reisterstown MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2015-01-26   
443-522 9 Reisterstown MD   829J PAETEC ITEL, LLC 238      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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