Local Calling Guide

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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-597 A Severna Park MD   5562 METROPCS, INC. 238      
443-597 0 Severna Park MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-04-03   
443-597 1 Severna Park MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-04-03   
443-597 2 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-01-03   
443-597 3 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-01-03   
443-597 4 Severna Park MD   876D ONVOY, LLC - MD 238   2025-05-10   
443-597 5 Severna Park MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-06-20   
443-597 6 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-01-03   
443-597 7 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2007-01-03   
443-597 8 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2006-08-14   
443-597 9 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2005-06-05   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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