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: 225

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-225 A Cambridge MD SLBRMDSC2MD  5562 METROPCS, INC. 242      
443-225 0 Cambridge MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2020-09-09   
443-225 2 Cambridge MD SLBRMDSC2MD  5562 METROPCS, INC. 242   2010-07-20   
443-225 4 Cambridge MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2007-12-04   
443-225 5 Cambridge MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2006-07-31   
443-225 6 Cambridge MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2007-09-20   
443-225 7 Cambridge MD ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242   2009-03-02   
443-225 8 Cambridge MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2006-08-24   
443-225 9 Cambridge MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2004-03-15   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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