Local Calling Guide

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NPA: 301 [Rate centres in NPA 301] [Dial plan for NPA 301]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-825 7 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236   2006-12-27   
301-825 8 Washington Zone 10 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-12-08   
301-825 9 Washington Zone 10 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2006-12-08   
301-826 A Lexington Park-Great Mills MD LXPKMDLXDS0  9212 VERIZON MARYLAND, INC. 236      
301-827 A Washington Zone 2 MD BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-828 A Washington Zone 2 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-828 0 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-09-29   
301-828 1 Washington Zone 2 MD WASHDCMTX7X  2697 CTC COMMUNICATIONS CORP. - MD 236   2005-11-11   
301-828 2 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-828 3 Washington Zone 2 MD OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-828 4 Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236   2005-04-22   
301-828 5 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-07-27   
301-828 6 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-06-28   
301-828 7 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2006-04-07   
301-828 8 Washington Zone 2 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2008-03-11   
301-828 9 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-829 A Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-829 0 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-829 1 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-829 2 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-829 3 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-829 4 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-829 5 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-829 6 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-829 7 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240   2001-11-03   
301-829 8 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-829 9 Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-830 A Washington Zone 3 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-830 0 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-08-01   
301-830 1 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-08-01   
301-830 2 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-08-01   
301-830 3 Washington Zone 3 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-09-01   
301-830 4 Washington Zone 3 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
301-830 5 Washington Zone 3 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-01-04   
301-830 6 Washington Zone 3 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-08-13   
301-830 7 Washington Zone 3 MD CHCHMDBE6MD  4716 PAETEC COMMUNICATIONS, INC. - MD 236   2006-01-09   
301-830 8 Washington Zone 3 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2005-02-14   
301-830 9 Washington Zone 3 MD OCQNVAXAVMD  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-831 A Damascus (Hagerstown LATA) MD NWMRMDNERS3  9212 VERIZON MARYLAND, INC. 240      
301-832 A Washington Zone 4 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-832 0 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-06-05   
301-832 1 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-07-03   
301-832 2 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-02-15   
301-832 3 Washington Zone 4 MD WASHDCMTX7X  2697 CTC COMMUNICATIONS CORP. - MD 236   2006-06-24   
301-832 4 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-09-01   
301-832 5 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-10-03   
301-832 6 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2008-11-03   
301-832 7 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2009-09-09   
301-832 8 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2009-06-01   
301-832 9 Washington Zone 4 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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