Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-508 2 Hampstead MD 318J COMCAST IP PHONE, LLC 238   2013-02-17   
443-517 6 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-519 5 Towson MD 318J COMCAST IP PHONE, LLC 238   2008-04-30   
443-522 2 Reisterstown MD 318J COMCAST IP PHONE, LLC 238   2012-05-26   
443-526 6 Havre de Grace MD 318J COMCAST IP PHONE, LLC 238   2015-08-18   
443-530 3 Dundalk MD 318J COMCAST IP PHONE, LLC 238   2014-02-14   
443-530 6 Dundalk MD 318J COMCAST IP PHONE, LLC 238   2016-04-28   
443-542 A Columbia MD 318J COMCAST IP PHONE, LLC 238      
443-542 0 Columbia MD 318J COMCAST IP PHONE, LLC 238      
443-542 2 Columbia MD 318J COMCAST IP PHONE, LLC 238      
443-542 9 Columbia MD 318J COMCAST IP PHONE, LLC 238   2007-01-19   
443-544 7 Pikesville MD 318J COMCAST IP PHONE, LLC 238   2013-04-10   
443-545 5 Columbia MD 318J COMCAST IP PHONE, LLC 238   2006-06-03   
443-546 3 Columbia MD 318J COMCAST IP PHONE, LLC 238   2006-09-15   
443-546 4 Columbia MD 318J COMCAST IP PHONE, LLC 238   2006-09-15   
443-548 3 Pikesville MD 318J COMCAST IP PHONE, LLC 238   2014-11-07   
443-549 4 Dundalk MD 318J COMCAST IP PHONE, LLC 238   2015-05-13   
443-550 3 North Beach MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-551 3 Woodlawn MD 318J COMCAST IP PHONE, LLC 238   2013-05-12   
443-552 1 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2016-01-05   
443-559 A Essex MD 318J COMCAST IP PHONE, LLC 238      
443-559 0 Essex MD 318J COMCAST IP PHONE, LLC 238      
443-559 5 Essex MD 318J COMCAST IP PHONE, LLC 238   2007-10-29   
443-559 6 Essex MD 318J COMCAST IP PHONE, LLC 238   2007-10-29   
443-559 8 Essex MD 318J COMCAST IP PHONE, LLC 238   2008-06-16   
443-559 9 Essex MD 318J COMCAST IP PHONE, LLC 238   2008-06-16   
443-563 2 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2014-06-12   
443-567 5 Bel Air MD 318J COMCAST IP PHONE, LLC 238   2006-08-04   
443-567 6 Bel Air MD 318J COMCAST IP PHONE, LLC 238   2006-08-04   
443-575 6 Arbutus MD 318J COMCAST IP PHONE, LLC 238   2007-04-10   
443-583 7 Columbia MD 318J COMCAST IP PHONE, LLC 238   2014-09-16   
443-584 4 Crofton MD 318J COMCAST IP PHONE, LLC 238   2014-07-20   
443-587 4 Edgewood MD 318J COMCAST IP PHONE, LLC 238   2016-06-17   
443-587 7 Edgewood MD 318J COMCAST IP PHONE, LLC 238   2016-06-21   
443-588 8 Parkville MD 318J COMCAST IP PHONE, LLC 238   2015-04-13   
443-592 3 Elkridge MD 318J COMCAST IP PHONE, LLC 238   2017-04-18   
443-593 3 Elkton MD 318J COMCAST IP PHONE, LLC 238   2014-09-21   
443-595 8 Sparks-Glencoe MD 318J COMCAST IP PHONE, LLC 238   2012-05-26   
443-596 3 Essex MD 318J COMCAST IP PHONE, LLC 238   2017-08-16   
443-596 8 Essex MD 318J COMCAST IP PHONE, LLC 238   2018-09-28   
443-602 7 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2008-06-09   
443-607 4 West River MD 318J COMCAST IP PHONE, LLC 238   2013-08-09   
443-607 6 West River MD 318J COMCAST IP PHONE, LLC 238   2007-10-11   
443-607 8 West River MD 318J COMCAST IP PHONE, LLC 238   2006-12-14   
443-609 4 Sykesville MD 318J COMCAST IP PHONE, LLC 238   2007-01-19   
443-609 6 Sykesville MD 318J COMCAST IP PHONE, LLC 238   2018-02-26   
443-620 5 Waterloo MD 318J COMCAST IP PHONE, LLC 238   2015-01-05   
443-627 8 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2008-06-09   
443-628 6 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238   2018-09-30   
443-636 5 Catonsville MD 318J COMCAST IP PHONE, LLC 238   2007-08-13   

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

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