Local Calling Guide

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

NXX: 905

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-905 A Annapolis MD BLTMMDCH40Z  6664 SPRINT SPECTRUM, L.P. 238      
443-905 0 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2011-11-28   
443-905 1 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-01-03   
443-905 2 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-12-16   
443-905 3 Annapolis MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238   2013-09-21   
443-905 4 Annapolis MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238   2013-10-04   
443-905 5 Annapolis MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238   2013-10-04   
443-905 6 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-11-22   
443-905 7 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-11-22   
443-905 8 Annapolis MD BLTMMDCH40Z  6664 SPRINT SPECTRUM, L.P. 238   2011-09-26   
443-905 9 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-02-07   

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

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