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
301-416 3 Myersville MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-02   
301-416 4 Myersville MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-416 5 Myersville MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2004-03-28   
301-416 6 Myersville MD HGTWMD53BMD  145J TERRA NOVA TELECOM INC. 240   2022-11-07   
301-416 7 Myersville MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-416 8 Myersville MD HGTWMDHGDS0  9212 VERIZON MARYLAND, INC. 240      
301-416 9 Myersville MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2019-11-08   
301-417 A Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-417 0 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-417 1 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-417 2 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-417 3 Washington Zone 10 MD HRNDVACKBMD  5978 BROADVIEW NETWORKS OF VIRGINIA, INC. - VA 236   2015-09-17   
301-417 4 Washington Zone 10 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-04-14   
301-417 5 Washington Zone 10 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
301-417 6 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-417 7 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-417 8 Washington Zone 10 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-10-15   
301-417 9 Washington Zone 10 MD GTBGMDGBPS0  9212 VERIZON MARYLAND, INC. 236      
301-418 A Frederick MD FRDRMDFRDS0  9212 VERIZON MARYLAND, INC. 240      
301-418 0 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2003-10-11   
301-418 1 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2003-10-11   
301-418 2 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2003-10-11   
301-418 3 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2004-01-31   
301-418 4 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2004-01-31   
301-418 5 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2004-06-10   
301-418 6 Frederick MD MRBGWVBUHPA  4095 FIBERNET, LLC - WV 240   2004-04-07   
301-418 7 Frederick MD FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240   2004-08-23   
301-418 8 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2004-09-13   
301-418 9 Frederick MD FRDRMDFRDS0  9212 VERIZON MARYLAND, INC. 240   2003-01-11   
301-419 A Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-420 A Washington Zone 5 MD STLDMDSLDS0  9212 VERIZON MARYLAND, INC. 236      
301-421 A Ashton MD SLSPMDCVDS0  9212 VERIZON MARYLAND, INC. 236      
301-422 A Washington Zone 4 MD HYVLMDRIDS0  9212 VERIZON MARYLAND, INC. 236      
301-423 A Washington Zone 5 MD TMHLMDTHDS0  9212 VERIZON MARYLAND, INC. 236      
301-424 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-425 A Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 A Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 0 Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 1 Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 2 Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 3 Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 4 Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 5 Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 6 Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-426 7 Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 8 Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-426 9 Washington Zone 13 MD MRKKMDMKDS0  9212 VERIZON MARYLAND, INC. 236      
301-427 A Washington Zone 3 MD SLSPMDSSDS0  9212 VERIZON MARYLAND, INC. 236      
301-428 A Washington Zone 10 MD GMTWMDGNDS0  9212 VERIZON MARYLAND, INC. 236      
301-429 A Washington Zone 4 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      

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Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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