Local Calling Guide

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OCN: 107D COMCAST PHONE OF NORTHERN MARYLAND, INC. - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-206 8 Washington Zone 14 MD   236   2007-11-01   
240-206 9 Washington Zone 14 MD   236   2006-03-14   
240-207 3 Damascus MD   236   2005-07-25   
240-210 8 Waldorf MD   236   2007-07-27   
240-221 3 Washington Zone 11 MD   236   2005-07-25   
240-222 3 Waldorf MD   236   2005-07-25   
240-224 7 Gaithersburg MD   236   2013-04-10   
240-233 3 Tompkinsville MD   236   2005-07-25   
240-241 4 Washington Zone 13 MD   236   2014-06-25   
240-242 3 Washington Zone 11 MD   236   2006-07-04   
240-242 4 Washington Zone 11 MD   236   2006-07-04   
240-243 6 Gaithersburg MD   236   2018-11-21   
240-244 1 Washington Zone 16 MD   236   2006-03-03   
240-244 2 Washington Zone 16 MD   236   2016-06-07   
240-244 5 Washington Zone 16 MD   236   2007-01-19   
240-245 3 Washington Zone 14 MD   236   2007-05-02   
240-245 4 Washington Zone 14 MD   236   2006-10-21   
240-246 7 Gaithersburg MD   236   2005-07-25   
240-249 3 Mechanicsville MD   236   2005-07-25   
240-253 2 Washington Zone 6 MD   236   2006-03-03   
240-254 2 Hughesville MD   236   2005-07-25   
240-260 3 Washington Zone 14 MD   236   2017-11-13   
240-261 4 Gaithersburg MD   236   2016-04-25   
240-261 6 Gaithersburg MD   236   2016-08-12   
240-264 6 Laurel MD   236   2005-07-25   
240-270 7 Waldorf MD   236   2015-03-20   
240-280 A Laurel MD ALXNVAGBPS1  236      
240-280 1 Laurel MD   236   2006-08-01   
240-280 2 Laurel MD   236   2006-08-01   
240-280 7 Laurel MD   236   2007-10-07   
240-280 8 Laurel MD   236   2002-01-31   
240-284 2 Frostburg MD   240   2010-03-05   
240-288 A Thurmont MD FRDRMDFRX1X  240      
240-288 7 Thurmont MD   240   2015-04-03   
240-288 8 Thurmont MD   240   2007-04-07   
240-293 6 Washington Zone 12 MD   236   2005-07-25   
240-294 4 Laurel MD   236   2008-06-11   
240-294 6 Laurel MD   236   2007-09-20   
240-294 7 Laurel MD   236   2007-09-20   
240-294 8 Laurel MD   236   2015-09-15   
240-295 3 Laurel MD   236   2008-06-11   
240-297 9 Washington Zone 13 MD   236   2006-03-14   
240-318 2 Washington Zone 16 MD   236   2008-02-22   
240-318 3 Washington Zone 16 MD   236   2009-11-27   
240-318 5 Washington Zone 16 MD   236   2013-09-08   
240-328 6 Washington Zone 10 MD   236   2005-07-25   
240-334 2 Washington Zone 14 MD   236   2013-10-25   
240-339 1 Washington Zone 15 MD   236   2006-03-14   
240-341 2 Buckeystown MD   240   2013-11-08   
240-341 4 Buckeystown MD   240   2014-11-25   

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Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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