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

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
301-816 A Washington Zone 11 MD RKVLMDMRDS0  9212 VERIZON MARYLAND, INC. 236      
301-817 A Washington Zone 5 MD STLDMDSLDS0  9212 VERIZON MARYLAND, INC. 236      
301-818 A Waldorf MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
301-819 A Washington Zone 3 MD SLSPMDSSDS0  9212 VERIZON MARYLAND, INC. 236      
301-820 A Gaithersburg MD WASHDCSWX2Z  7421 AT&T LOCAL 236      
301-821 A Laurel MD WASHDCSWX2Z  7421 AT&T LOCAL 236      
301-822 A Washington Zone 11 MD WASHDCSWX2Z  7421 AT&T LOCAL 236      
301-823 A Washington Zone 13 MD WASHDCSWX2Z  7421 AT&T LOCAL 236      
301-824 A Smithsburg MD SMBGMDSMRS0  9212 VERIZON MARYLAND, INC. 240      
301-825 A Washington Zone 10 MD WASHDCSWX2Z  7421 AT&T LOCAL 236      
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 WASHDCSWX2Z  7421 AT&T LOCAL 236      
301-829 A Mount Airy MD MTARMDMARS1  9212 VERIZON MARYLAND, INC. 240      
301-830 A Washington Zone 3 MD WASHDCSWX2Z  7421 AT&T LOCAL 236      
301-831 A Damascus (Hagerstown LATA) MD NWMRMDNERS3  9212 VERIZON MARYLAND, INC. 240      
301-832 A Washington Zone 4 MD WASHDCSWX2Z  7421 AT&T LOCAL 236      
301-833 A Washington Zone 14 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-834 A Brunswick MD BRWKMDBRRS0  9212 VERIZON MARYLAND, INC. 240      
301-835 A Frederick MD HGTWMD534MD  197D VONAGE NETWORK INC. 240      
301-836 A Washington Zone 5 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-837 A Washington Zone 13 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-838 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-839 A Washington Zone 6 MD OXHLMDOHDS0  9212 VERIZON MARYLAND, INC. 236      
301-840 A Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-841 A Washington Zone 2 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-842 A Clear Spring MD CLSPMDCSRS0  9212 VERIZON MARYLAND, INC. 240      
301-843 A Washington Zone 6 MD WDRFMDWDDS0  9212 VERIZON MARYLAND, INC. 236      
301-844 A Washington Zone 3 MD WASHDCSWXCZ  6664 SPRINT SPECTRUM L.P. 236      
301-845 A Walkersville MD WLVLMDWLDS0  9212 VERIZON MARYLAND, INC. 240      
301-846 A Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-847 A Washington Zone 12 MD BTVLMDBVDS0  9212 VERIZON MARYLAND, INC. 236      
301-848 A Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-849 A Oakland MD HGTWMDCWDS0  4606 NEW FRONTIERS TELECOMMUNICATIONS, INC. 240      
301-850 A Washington Zone 14 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-851 A Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-852 A Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-853 A Washington Zone 4 MD HYVLMDCMDS0  9212 VERIZON MARYLAND, INC. 236      
301-854 A Ashton (Baltimore LATA) MD CLVLMDCEDS0  9212 VERIZON MARYLAND, INC. 238      
301-855 A Washington Zone 15 (Baltimore LATA) MD NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
301-856 A Washington Zone 16 MD CLTNMDCLDS0  9212 VERIZON MARYLAND, INC. 236      
301-857 A Clear Spring MD FRDRMDFRPS0  2593 CORE COMMUNICATIONS, INC. - MD 240      
301-858 A Washington Zone 14 (Baltimore LATA) MD COTNMDCRDS0  9212 VERIZON MARYLAND, INC. 238      
301-859 A Oakland MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
301-860 A Washington Zone 14 MD BOWIMDBODS0  9212 VERIZON MARYLAND, INC. 236      
301-861 A Waldorf MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
301-862 A Lexington Park-Great Mills MD LXPKMDLXDS0  9212 VERIZON MARYLAND, INC. 236      
301-863 A Lexington Park-Great Mills MD LXPKMDLXDS0  9212 VERIZON MARYLAND, INC. 236      
301-864 A Washington Zone 4 MD HYVLMDHYDS0  9212 VERIZON MARYLAND, INC. 236      
301-865 A New Market MD NWMRMDNERS3  9212 VERIZON MARYLAND, INC. 240      

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Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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