Local Calling Guide

Area code/prefix search

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

NXX: 699

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-699 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-699 0 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-10-07   
443-699 1 Annapolis MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-13   
443-699 2 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-06-03   
443-699 3 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-06-03   
443-699 4 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-06-03   
443-699 5 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-06-03   
443-699 6 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2012-07-15   
443-699 7 Annapolis MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2013-10-01   
443-699 8 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-03-11   
443-699 9 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-03-11   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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