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
240-892 2 Washington Zone 15 MD 318J COMCAST IP PHONE, LLC 236   2015-04-10   
240-901 2 La Plata MD 318J COMCAST IP PHONE, LLC 236   2014-10-03   
240-903 A Indian Head MD 318J COMCAST IP PHONE, LLC 236      
240-903 2 Indian Head MD 318J COMCAST IP PHONE, LLC 236   2014-01-17   
240-903 3 Indian Head MD 318J COMCAST IP PHONE, LLC 236   2014-01-27   
240-907 2 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2016-09-11   
240-912 4 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 5 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 6 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 7 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 9 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-929 4 Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236   2015-08-13   
240-929 6 Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236   2014-06-21   
240-948 6 Leonardtown MD 318J COMCAST IP PHONE, LLC 236   2023-09-15   
240-961 7 Poolesville MD 318J COMCAST IP PHONE, LLC 236   2023-02-21   
240-965 5 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2015-06-17   
240-965 6 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2006-12-14   
240-965 7 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2006-12-14   
240-970 5 Washington Zone 12 MD 318J COMCAST IP PHONE, LLC 236   2015-09-12   
301-244 5 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2005-07-20   
301-273 3 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2006-06-03   
301-278 5 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2008-08-01   
301-278 7 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2008-08-01   
301-288 4 Washington Zone 12 MD 318J COMCAST IP PHONE, LLC 236   2013-10-04   
301-288 7 Washington Zone 12 MD 318J COMCAST IP PHONE, LLC 236   2006-10-09   
301-296 6 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2013-08-01   
301-312 6 Washington Zone 2 MD 318J COMCAST IP PHONE, LLC 236   2006-09-18   
301-312 8 Washington Zone 2 MD 318J COMCAST IP PHONE, LLC 236   2006-09-18   
301-316 9 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2015-03-31   
301-326 1 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2006-10-09   
301-326 2 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2006-10-09   
301-326 4 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2006-10-09   
301-328 A Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236      
301-328 0 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2006-08-05   
301-328 5 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2007-10-09   
301-328 7 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2007-10-09   
301-337 6 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2013-07-19   
301-339 8 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2012-12-01   
301-347 6 Washington Zone 2 MD 318J COMCAST IP PHONE, LLC 236   2017-01-20   
301-347 7 Washington Zone 2 MD 318J COMCAST IP PHONE, LLC 236   2017-09-14   
301-348 8 Washington Zone 11 MD 318J COMCAST IP PHONE, LLC 236   2016-02-24   
301-355 4 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2009-08-28   
301-355 8 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2009-08-28   
301-366 0 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2013-09-12   
301-374 8 Waldorf MD 318J COMCAST IP PHONE, LLC 236   2017-05-22   
301-377 A Laurel MD 318J COMCAST IP PHONE, LLC 236      
301-377 0 Laurel MD 318J COMCAST IP PHONE, LLC 236      
301-383 A Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236      
301-383 0 Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236   2012-11-03   
301-383 1 Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236      
301-383 2 Washington Zone 14 MD 318J COMCAST IP PHONE, LLC 236   2016-07-12   
301-396 2 Waldorf MD 318J COMCAST IP PHONE, LLC 236   2019-03-20   
301-407 1 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2011-06-10   
301-417 4 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2015-04-14   
301-417 8 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2015-10-15   
301-433 8 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2015-08-17   
301-448 A Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236      
301-448 1 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236      
301-456 A Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236      
301-456 1 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236      
301-456 2 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236      
301-456 7 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2013-06-05   
301-456 8 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236      
301-477 A Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236      
301-477 1 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236      
301-477 2 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236      
301-477 3 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236      
301-477 4 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2017-02-01   
301-477 7 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2015-09-04   
301-484 A Washington Zone 4 MD 318J COMCAST IP PHONE, LLC 236      
301-485 A Washington Zone 6 MD 318J COMCAST IP PHONE, LLC 236      
301-485 0 Washington Zone 6 MD 318J COMCAST IP PHONE, LLC 236   2012-10-07   
301-485 1 Washington Zone 6 MD 318J COMCAST IP PHONE, LLC 236      
301-485 8 Washington Zone 6 MD 318J COMCAST IP PHONE, LLC 236   2008-04-24   
301-539 3 La Plata MD 318J COMCAST IP PHONE, LLC 236   2013-09-05   
301-541 0 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2012-08-20   
301-545 2 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2017-08-17   
301-557 9 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2013-09-08   
301-569 4 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2013-12-10   
301-569 6 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2011-09-08   
301-569 7 Gaithersburg MD 318J COMCAST IP PHONE, LLC 236   2012-01-14   
301-574 7 Washington Zone 15 MD 318J COMCAST IP PHONE, LLC 236   2018-11-29   
301-603 2 Washington Zone 11 MD 318J COMCAST IP PHONE, LLC 236   2016-07-13   
301-605 7 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2007-05-02   
301-636 3 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2013-08-27   
301-636 4 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2010-01-09   
301-637 9 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2010-10-11   
301-684 2 Indian Head MD 318J COMCAST IP PHONE, LLC 236   2007-09-20   
301-747 4 Washington Zone 6 MD 318J COMCAST IP PHONE, LLC 236   2015-10-02   
301-753 7 Washington Zone 6 MD 318J COMCAST IP PHONE, LLC 236   2017-04-14   
301-755 5 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2008-07-19   
301-755 6 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2008-07-19   
301-822 4 Washington Zone 11 MD 318J COMCAST IP PHONE, LLC 236   2013-10-03   
301-844 5 Washington Zone 3 MD 318J COMCAST IP PHONE, LLC 236   2014-07-21   
301-847 9 Washington Zone 12 MD 318J COMCAST IP PHONE, LLC 236   2014-10-03   
301-851 5 Washington Zone 4 MD 318J COMCAST IP PHONE, LLC 236   2014-12-12   
301-902 7 Washington Zone 13 MD 318J COMCAST IP PHONE, LLC 236   2019-07-05   
301-909 0 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2013-06-18   
301-909 1 Washington Zone 5 MD 318J COMCAST IP PHONE, LLC 236   2015-11-18   
301-978 7 Washington Zone 10 MD 318J COMCAST IP PHONE, LLC 236   2014-09-18   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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