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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
301-743 1 Indian Head MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-08-21   
301-743 2 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-743 3 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-743 4 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-743 5 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-743 6 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-743 7 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-743 8 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-743 9 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 A Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 0 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-03-01   
301-744 1 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 2 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 3 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 4 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 5 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 6 Indian Head MD INHDMDINRS0  9212 VERIZON MARYLAND, INC. 236      
301-744 7 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-06-02   
301-744 8 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-19   
301-744 9 Indian Head MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-01-02   
301-745 A Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-745 0 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-745 1 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-745 2 Hagerstown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-04-16   
301-745 3 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-745 4 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-745 5 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-745 6 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-745 7 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-745 8 Hagerstown MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-745 9 Hagerstown MD   876D ONVOY, LLC - MD 240   2025-05-03   
301-746 A Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 0 Friendsville MD HGTWMD530MD  073H TELNYX LLC 240   2017-08-08   
301-746 1 Friendsville MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2018-08-18   
301-746 2 Friendsville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2017-06-21   
301-746 3 Friendsville MD FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240   2017-01-07   
301-746 4 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 5 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 6 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 7 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 8 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-746 9 Friendsville MD FIVLMDFRRS0  9212 VERIZON MARYLAND, INC. 240      
301-747 A Washington Zone 6 MD WASHDCTTDS0  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-747 0 Washington Zone 6 MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2015-06-06   
301-747 1 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-28   
301-747 2 Washington Zone 6 MD   515J IP HORIZON LLC 236   2016-05-31   
301-747 3 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-11-29   
301-747 4 Washington Zone 6 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-10-02   
301-747 5 Washington Zone 6 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-06-16   
301-747 6 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-19   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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