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
202-221 9 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2019-09-23   
202-268 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-313 7 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-07-16   
202-381 5 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-10-29   
202-499 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-05-11   
202-567 6 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-10-24   
202-594 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-594 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-07-16   
202-715 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-719 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-719 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-719 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-719 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-719 5 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-719 6 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-719 7 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-729 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-729 1 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-729 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-729 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-729 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-729 5 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-729 7 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-729 8 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-730 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-730 0 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-730 1 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-730 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-730 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-730 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-730 8 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-734 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-734 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-11-20   
202-734 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-11-20   
202-753 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-753 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-03-06   
202-774 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-06-11   
202-774 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-06-11   
202-795 7 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-07-01   
202-795 8 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-07-01   
202-804 5 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-05-17   
202-807 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-05-27   
202-808 7 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2012-05-11   
202-818 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-818 1 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 5 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 6 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 7 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-818 8 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2013-01-05   
202-838 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-02-24   
202-838 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-02-24   
202-876 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-06   
202-876 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-06   
202-890 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-07-31   
202-890 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-07-31   
202-890 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-07-31   
202-890 5 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-09-04   
202-890 6 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-09-04   
202-892 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-11-05   
202-892 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-11-05   
202-892 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-11-05   
202-902 0 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-07-24   
202-902 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-07-24   
202-902 5 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-07-24   
202-914 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2019-03-26   
202-920 5 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2019-06-20   
202-923 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-923 2 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2019-10-05   
202-923 3 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2019-10-05   
202-923 4 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2019-10-05   
202-969 A Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
202-981 6 Washington Zone 1 DC 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-03-12   
240-264 2 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-264 4 Laurel MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-308 7 Damascus MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-05-15   
240-531 4 Washington Zone 3 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-07-06   
240-531 5 Washington Zone 3 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-07-06   
240-531 6 Washington Zone 3 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-07-06   
240-562 A Gaithersburg MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-577 6 Leonardtown MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-07-30   
240-616 A Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-616 3 Washington Zone 13 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-628 3 Mechanicsville MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-11-01   
240-677 A Washington Zone 5 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-690 7 Gaithersburg MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2019-05-27   
240-719 4 Washington Zone 5 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-07-05   
240-725 3 Lexington Park-Great Mills MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2020-01-07   
240-760 3 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-12-14   
240-760 4 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-12-14   
240-760 5 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-12-14   
240-760 6 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-04-08   
240-760 7 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2016-04-08   
240-776 6 La Plata MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-08-01   
240-781 A Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
240-781 0 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-12-14   
240-781 1 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-12-14   
240-781 2 Washington Zone 2 MD 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-12-14   

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

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