Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 896

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-896 A Columbia MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-896 0 Columbia MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-896 1 Columbia MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-896 2 Columbia MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-896 3 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-11-02   
443-896 4 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-11-02   
443-896 5 Columbia MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-896 6 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-10-02   
443-896 7 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-02   
443-896 8 Columbia MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-01-02   
443-896 9 Columbia MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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