Local Calling Guide

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

NXX: 949

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-949 A Annapolis MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2021-01-13   
443-949 0 Annapolis MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-08-13   
443-949 1 Annapolis MD BLTMMDCH40Z  6664 SPRINT SPECTRUM, L.P. 238   2008-11-26   
443-949 2 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-03-10   
443-949 3 Annapolis MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2008-10-01   
443-949 4 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-03-10   
443-949 5 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-02-02   
443-949 6 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2009-03-19   
443-949 7 Annapolis MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-11-25   
443-949 8 Annapolis MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-11-25   
443-949 9 Annapolis MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2006-11-25   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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