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
240-345 2 Ashton (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238   2006-08-12   
240-512 0 Washington Zone 13 (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238   2013-05-09   
240-708 4 Laurel (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238   2014-09-27   
240-755 A Laurel (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
240-755 0 Laurel (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238   2006-02-26   
240-865 0 Washington Zone 14 (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238   2008-02-01   
301-327 A Washington Zone 15 (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238      
301-327 5 Washington Zone 15 (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238   2008-02-29   
301-494 2 Washington Zone 15 (Baltimore LATA) MD 318J COMCAST IP PHONE, LLC 238   2015-03-27   
410-204 8 Arbutus MD 318J COMCAST IP PHONE, LLC 238   2015-11-27   
410-205 7 Pikesville MD 318J COMCAST IP PHONE, LLC 238   2008-12-02   
410-216 2 Annapolis MD 318J COMCAST IP PHONE, LLC 238   2015-12-21   
410-220 3 Elkridge MD 318J COMCAST IP PHONE, LLC 238   2012-12-08   
410-231 2 Solomons MD 318J COMCAST IP PHONE, LLC 238   2007-07-27   
410-305 4 Odenton MD 318J COMCAST IP PHONE, LLC 238   2007-07-27   
410-305 8 Odenton MD 318J COMCAST IP PHONE, LLC 238   2007-12-17   
410-306 6 Aberdeen MD 318J COMCAST IP PHONE, LLC 236   2005-03-10   
410-317 5 Armiger-Gibson Island MD 318J COMCAST IP PHONE, LLC 238   2007-09-20   
410-344 6 Chase MD 318J COMCAST IP PHONE, LLC 238   2012-07-21   
410-357 3 Parkton MD 318J COMCAST IP PHONE, LLC 238   2012-05-20   
410-372 3 Towson MD 318J COMCAST IP PHONE, LLC 238   2015-10-02   
410-413 6 Pikesville MD 318J COMCAST IP PHONE, LLC 238   2014-02-12   
410-420 5 Bel Air MD 318J COMCAST IP PHONE, LLC 238   2020-05-29   
410-429 6 Worthington MD 318J COMCAST IP PHONE, LLC 238   2006-05-05   
410-432 2 Severna Park MD 318J COMCAST IP PHONE, LLC 238   2016-12-05   
410-449 6 Solomons MD 318J COMCAST IP PHONE, LLC 238   2012-12-08   
410-449 8 Solomons MD 318J COMCAST IP PHONE, LLC 238   2014-07-04   
410-469 9 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2015-03-20   
410-487 6 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238   2007-05-02   
410-497 A Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-497 0 Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-497 5 Parkville MD 318J COMCAST IP PHONE, LLC 238   2007-08-08   
410-497 9 Parkville MD 318J COMCAST IP PHONE, LLC 238   2012-12-07   
410-501 3 Arbutus MD 318J COMCAST IP PHONE, LLC 238   2008-02-20   
410-504 5 Pikesville MD 318J COMCAST IP PHONE, LLC 238   2005-07-25   
410-504 8 Pikesville MD 318J COMCAST IP PHONE, LLC 238      
410-510 7 Fork MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-513 7 Parkville MD 318J COMCAST IP PHONE, LLC 238   2007-12-17   
410-552 8 Sykesville MD 318J COMCAST IP PHONE, LLC 238   2012-05-20   
410-553 4 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238   2015-03-20   
410-559 6 Pikesville MD 318J COMCAST IP PHONE, LLC 238   2015-11-17   
410-565 6 Arbutus MD 318J COMCAST IP PHONE, LLC 238   2009-05-10   
410-571 3 Annapolis MD 318J COMCAST IP PHONE, LLC 238   2012-06-01   
410-571 5 Annapolis MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-582 8 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238   2007-11-01   
410-589 3 Brooklyn Park-Linthicum MD 318J COMCAST IP PHONE, LLC 238   2015-08-13   
410-589 5 Brooklyn Park-Linthicum MD 318J COMCAST IP PHONE, LLC 238   2014-02-19   
410-589 6 Brooklyn Park-Linthicum MD 318J COMCAST IP PHONE, LLC 238   2007-09-20   
410-593 7 Fork MD 318J COMCAST IP PHONE, LLC 238   2011-12-17   
410-595 5 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238   2007-11-06   
410-595 6 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238   2006-10-09   
410-601 3 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2014-06-12   
410-616 9 Towson MD 318J COMCAST IP PHONE, LLC 238   2006-09-11   
410-617 0 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2014-06-12   
410-617 8 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2014-06-12   
410-624 5 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2015-09-18   
410-624 7 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2015-10-22   
410-630 2 Chase MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-645 8 Woodlawn MD 318J COMCAST IP PHONE, LLC 238   2007-08-13   
410-646 8 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2016-01-05   
410-656 7 North East MD 318J COMCAST IP PHONE, LLC 238   2014-01-02   
410-657 7 Parkville MD 318J COMCAST IP PHONE, LLC 238   2013-09-12   
410-670 3 Edgewood MD 318J COMCAST IP PHONE, LLC 238   2012-06-08   
410-671 2 Edgewood MD 318J COMCAST IP PHONE, LLC 238   2011-06-20   
410-671 4 Edgewood MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-680 8 Ellicott City MD 318J COMCAST IP PHONE, LLC 238   2012-11-26   
410-684 5 Glen Burnie MD 318J COMCAST IP PHONE, LLC 238   2016-11-14   
410-695 5 Odenton MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-696 2 Ellicott City MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-697 3 Millersville MD 318J COMCAST IP PHONE, LLC 238   2005-07-25   
410-701 7 Randallstown MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-701 8 Randallstown MD 318J COMCAST IP PHONE, LLC 238   2007-06-29   
410-702 7 Reisterstown MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-720 2 Ellicott City MD 318J COMCAST IP PHONE, LLC 238   2007-07-30   
410-776 3 Bel Air MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-793 5 Severna Park MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-800 2 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-801 8 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2018-06-07   
410-814 0 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2005-12-21   
410-832 3 Towson MD 318J COMCAST IP PHONE, LLC 238   2017-01-12   
410-846 5 Severn MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-849 7 Sherwood Forest MD 318J COMCAST IP PHONE, LLC 238   2005-07-25   
410-853 7 Towson MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   
410-861 5 Westminster MD 318J COMCAST IP PHONE, LLC 238   2009-02-02   
410-861 6 Westminster MD 318J COMCAST IP PHONE, LLC 238   2007-01-19   
410-870 A Parkville MD 318J COMCAST IP PHONE, LLC 238      
410-870 0 Parkville MD 318J COMCAST IP PHONE, LLC 238   2005-04-16   
410-870 1 Parkville MD 318J COMCAST IP PHONE, LLC 238   2006-06-19   
410-870 2 Parkville MD 318J COMCAST IP PHONE, LLC 238   2006-06-19   
410-870 3 Parkville MD 318J COMCAST IP PHONE, LLC 238   2009-03-27   
410-870 6 Parkville MD 318J COMCAST IP PHONE, LLC 238   2009-03-27   
410-874 3 Odenton MD 318J COMCAST IP PHONE, LLC 238   2012-09-20   
410-874 7 Odenton MD 318J COMCAST IP PHONE, LLC 238   2006-09-12   
410-874 8 Odenton MD 318J COMCAST IP PHONE, LLC 238   2006-09-12   
410-875 7 Sykesville MD 318J COMCAST IP PHONE, LLC 238   2013-10-03   
410-878 0 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2006-08-08   
410-878 1 Baltimore MD 318J COMCAST IP PHONE, LLC 238   2006-08-08   
410-891 8 Cockeysville MD 318J COMCAST IP PHONE, LLC 238   2008-04-10   
410-904 5 Waterloo MD 318J COMCAST IP PHONE, LLC 238   2015-03-18   
410-914 5 Churchville MD 318J COMCAST IP PHONE, LLC 238   2005-03-10   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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