Local Calling Guide

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

NXX: 736

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-736 A Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-736 0 Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-736 1 Salisbury MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2013-07-21   
443-736 2 Salisbury MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2011-04-16   
443-736 3 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2008-03-26   
443-736 4 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2008-03-26   
443-736 5 Salisbury MD SLBRMDSCXMD  5562 METROPCS, INC. 242   2011-10-11   
443-736 6 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2010-05-03   
443-736 7 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2007-10-29   
443-736 8 Salisbury MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2007-10-29   
443-736 9 Salisbury MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      

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

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