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
301-304 1 Walkersville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-10-17   
301-304 2 Walkersville MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2011-03-24   
301-304 3 Walkersville MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2009-09-02   
301-304 4 Walkersville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-06-26   
301-304 5 Walkersville MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2013-02-08   
301-304 6 Walkersville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-02-10   
301-304 7 Walkersville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-07-12   
301-304 8 Walkersville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-10-29   
301-304 9 Walkersville MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2015-02-27   
301-305 A Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240   2024-02-09   
301-305 0 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-305 1 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-305 2 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-305 3 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-305 4 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-305 5 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-305 6 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-305 7 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-305 8 Frederick MD FRDRMDFR9MD  5562 METROPCS, INC. 240      
301-305 9 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
301-306 A Washington Zone 4 MD LNHMMDLNDS0  9212 VERIZON MARYLAND, INC. 236      
301-307 A Washington Zone 13 (Baltimore LATA) MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
301-307 0 Washington Zone 13 (Baltimore LATA) MD CLMAMDCBRP0  9212 VERIZON MARYLAND, INC. 238      
301-307 1 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-11   
301-307 2 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-11   
301-307 4 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-11-07   
301-307 5 Washington Zone 13 (Baltimore LATA) MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2019-12-28   
301-307 6 Washington Zone 13 (Baltimore LATA) MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   
301-307 7 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH25Z  8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-20   
301-307 8 Washington Zone 13 (Baltimore LATA) MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2020-05-01   
301-307 9 Washington Zone 13 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-11-07   
301-308 A Washington Zone 13 MD SLSPMDSSX6X  6630 USA MOBILITY WIRELESS, INC. 236      
301-309 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-309 0 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-309 1 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-309 2 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-309 3 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-309 4 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-309 5 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-309 6 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-309 7 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2021-08-20   
301-309 8 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-309 9 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
301-310 A Laurel (Baltimore LATA) MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
301-310 0 Laurel (Baltimore LATA) MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
301-310 1 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-11-01   
301-310 2 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-06-02   
301-310 3 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-06-02   
301-310 4 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-06-20   
301-310 5 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2011-07-06   

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

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