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: 717

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-717 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-717 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-11-05   
443-717 1 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-11-05   
443-717 2 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-11-07   
443-717 3 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-11-07   
443-717 4 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2005-11-07   
443-717 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-12-22   
443-717 6 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2023-12-14   
443-717 7 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2023-12-14   
443-717 8 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2023-12-14   
443-717 9 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2023-12-14   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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