Local Calling Guide

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OCN: 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-296 A Washington Zone 10 MD WASKDCFNPS0  236      
301-296 0 Washington Zone 10 MD WASKDCFNPS0  236      
301-296 1 Washington Zone 10 MD WASKDCFNPS0  236      
301-296 2 Washington Zone 10 MD WASKDCFNPS0  236      
301-296 3 Washington Zone 10 MD WASKDCFNPS0  236      
301-296 4 Washington Zone 10 MD WASKDCFNPS0  236      
301-296 5 Washington Zone 10 MD WASKDCFNPS0  236      
301-296 7 Washington Zone 10 MD WASKDCFNPS0  236      
301-296 8 Washington Zone 10 MD WASKDCFNPS0  236      
301-296 9 Washington Zone 10 MD WASKDCFNPS0  236      
301-298 A Washington Zone 15 MD WASHDCINDS0  236      
301-298 9 Washington Zone 15 MD WASHDCINDS0  236      
301-321 4 Washington Zone 11 MD WASHDCINDS0  236   2016-09-01   
301-337 A Gaithersburg MD WASKDCFNPS0  236      
301-337 2 Gaithersburg MD WASKDCFNPS0  236      
301-348 A Washington Zone 11 MD WASKDCFNPS0  236      
301-348 1 Washington Zone 11 MD WASKDCFNPS0  236      
301-348 3 Washington Zone 11 MD WASKDCFNPS0  236      
301-348 5 Washington Zone 11 MD WASHDCINDS0  236   2017-08-03   
301-364 A Washington Zone 4 MD WASKDCFNPS0  236      
301-364 1 Washington Zone 4 MD WASKDCFNPS0  236      
301-479 A Washington Zone 13 MD WASKDCFNPS0  236      
301-479 1 Washington Zone 13 MD WASKDCFNPS0  236      
301-479 3 Washington Zone 13 MD WASKDCFNPS0  236      
301-500 A Washington Zone 2 MD WASKDCFNPS0  236      
301-500 1 Washington Zone 2 MD WASKDCFNPS0  236   2011-05-13   
301-500 2 Washington Zone 2 MD WASKDCFNPS0  236   2011-04-18   
301-500 3 Washington Zone 2 MD WASKDCFNPS0  236   2011-05-13   
301-547 8 Washington Zone 2 MD WASKDCFNPS0  236   2014-02-21   
301-679 2 Washington Zone 12 MD WASKDCFNPS0  236   2008-12-31   
301-686 3 Washington Zone 6 MD WASKDCFNPS0  236   2008-10-01   
301-686 8 Washington Zone 6 MD WASKDCFNPS0  236   2009-08-28   
301-755 A Washington Zone 3 MD WASKDCFNPS0  236      
301-755 0 Washington Zone 3 MD WASKDCFNPS0  236      
301-755 1 Washington Zone 3 MD WASKDCFNPS0  236      
301-755 2 Washington Zone 3 MD WASKDCFNPS0  236      
301-761 6 Washington Zone 11 MD WASKDCFNPS0  236   2014-11-22   
301-761 7 Washington Zone 11 MD WASKDCFNPS0  236   2014-10-23   
301-761 9 Washington Zone 11 MD WASHDCINDS0  236   2016-09-01   
301-769 5 Leonardtown MD WASKDCFNPS0  236   2005-08-15   
301-769 6 Leonardtown MD WASKDCFNPS0  236   2005-08-15   
301-778 A Washington Zone 5 MD WASKDCFNPS0  236      
301-778 1 Washington Zone 5 MD WASKDCFNPS0  236      
301-795 A Washington Zone 10 MD WASHDCINDS0  236      
301-795 0 Washington Zone 10 MD WASHDCINDS0  236      
301-795 1 Washington Zone 10 MD WASHDCINDS0  236      
301-795 2 Washington Zone 10 MD WASHDCINDS0  236      
301-795 3 Washington Zone 10 MD WASHDCINDS0  236      
301-795 4 Washington Zone 10 MD WASHDCINDS0  236   2008-02-08   
301-795 6 Washington Zone 10 MD WASHDCINDS0  236      
301-795 7 Washington Zone 10 MD WASHDCINDS0  236      
301-795 9 Washington Zone 10 MD WASHDCINDS0  236      
301-804 A Ashton MD WASHDCINDS0  236      
301-804 3 Ashton MD WASHDCINDS0  236      
301-804 9 Ashton MD WASHDCINDS0  236      
301-822 A Washington Zone 11 MD WASKDCFNPS0  236      
301-822 0 Washington Zone 11 MD WASHDCINDS0  236   2016-09-01   
301-822 3 Washington Zone 11 MD WASHDCINDS0  236   2016-09-01   
301-822 5 Washington Zone 11 MD WASHDCINDS0  236   2016-09-01   
301-822 7 Washington Zone 11 MD WASHDCINDS0  236   2016-09-01   
301-822 8 Washington Zone 11 MD WASHDCINDS0  236   2016-09-01   
301-836 3 Washington Zone 5 MD WASKDCFNPS0  236   2011-01-25   
301-837 A Washington Zone 13 MD WASHDCINDS0  236      
301-837 0 Washington Zone 13 MD WASHDCINDS0  236      
301-837 1 Washington Zone 13 MD WASHDCINDS0  236      
301-837 2 Washington Zone 13 MD WASHDCINDS0  236      
301-837 3 Washington Zone 13 MD WASHDCINDS0  236      
301-837 4 Washington Zone 13 MD WASHDCINDS0  236   2018-10-28   
301-837 5 Washington Zone 13 MD WASHDCINDS0  236      
301-837 6 Washington Zone 13 MD WASHDCINDS0  236   2018-10-28   
301-837 7 Washington Zone 13 MD WASHDCINDS0  236   2018-10-28   
301-837 8 Washington Zone 13 MD WASHDCINDS0  236   2015-03-14   
301-837 9 Washington Zone 13 MD WASHDCINDS0  236      
301-841 A Washington Zone 2 MD WASHDCINDS0  236      
301-841 0 Washington Zone 2 MD WASHDCINDS0  236      
301-841 1 Washington Zone 2 MD WASHDCINDS0  236      
301-841 2 Washington Zone 2 MD WASHDCINDS0  236      
301-841 3 Washington Zone 2 MD WASHDCINDS0  236   2007-10-23   
301-841 9 Washington Zone 2 MD WASHDCINDS0  236      
301-851 7 Washington Zone 4 MD WASKDCFNPS0  236      
301-854 8 Ashton (Baltimore LATA) MD BLTMMDCHXNX  238      
301-861 2 Waldorf MD WASKDCFNPS0  236   2006-08-01   
301-866 7 Lexington Park-Great Mills MD WASKDCFNPS0  236      
301-867 A Washington Zone 14 MD WASHDCINDS0  236      
301-867 0 Washington Zone 14 MD WASHDCINDS0  236      
301-867 2 Washington Zone 14 MD WASHDCINDS0  236      
301-867 6 Washington Zone 14 MD WASHDCINDS0  236      
301-867 8 Washington Zone 14 MD WASHDCINDS0  236      
301-867 9 Washington Zone 14 MD WASHDCINDS0  236      
301-887 2 Washington Zone 4 MD WASKDCFNPS0  236      
301-902 4 Washington Zone 13 MD WASHDCINDS0  236      
301-909 A Washington Zone 5 MD WASHDCINDS0  236      
301-909 2 Washington Zone 5 MD WASHDCINDS0  236      
301-909 6 Washington Zone 5 MD WASHDCINDS0  236      
301-909 7 Washington Zone 5 MD WASHDCINDS0  236      
301-909 9 Washington Zone 5 MD WASHDCINDS0  236      
301-912 7 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXNX  238      
301-912 8 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXNX  238      
301-912 9 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXNX  238      
301-913 1 Washington Zone 2 MD WASHDCINDS0  236   2017-11-24   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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