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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
301-478 7 Flintstone MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-11-07   
301-478 8 Flintstone MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-478 9 Flintstone MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
301-479 A Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-479 0 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-11-04   
301-479 1 Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-479 2 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-479 3 Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-479 4 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-479 5 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-06-17   
301-479 6 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-06-17   
301-479 7 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-479 8 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-06-17   
301-479 9 Washington Zone 13 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-06-17   
301-480 A Washington Zone 2 MD BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-481 A Leonardtown MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
301-482 A Damascus MD DMSCMDDERP0  9212 VERIZON MARYLAND, INC. 236      
301-482 0 Damascus MD DMSCMDDERP0  9212 VERIZON MARYLAND, INC. 236      
301-482 1 Damascus MD DMSCMDDERP0  9212 VERIZON MARYLAND, INC. 236      
301-482 2 Damascus MD DMSCMDDERP0  9212 VERIZON MARYLAND, INC. 236      
301-482 3 Damascus MD DMSCMDDERP0  9212 VERIZON MARYLAND, INC. 236      
301-482 4 Damascus MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-22   
301-482 5 Damascus MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-482 6 Damascus MD DMSCMDDERP0  9212 VERIZON MARYLAND, INC. 236      
301-482 7 Damascus MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-22   
301-482 8 Damascus MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-22   
301-482 9 Damascus MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-483 A Laurel MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-484 A Washington Zone 4 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-485 A Washington Zone 6 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-485 0 Washington Zone 6 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2012-10-07   
301-485 1 Washington Zone 6 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236      
301-485 2 Washington Zone 6 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-03-02   
301-485 3 Washington Zone 6 MD   829J PAETEC ITEL, LLC 236   2015-09-04   
301-485 4 Washington Zone 6 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-04-28   
301-485 5 Washington Zone 6 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-06-27   
301-485 6 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
301-485 7 Washington Zone 6 MD   829J PAETEC ITEL, LLC 236   2006-09-02   
301-485 8 Washington Zone 6 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2008-04-24   
301-485 9 Washington Zone 6 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
301-486 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 0 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 1 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 2 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 3 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 4 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 5 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-486 6 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 7 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-486 8 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-486 9 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2018-10-23   
301-487 A Myersville MD MYVLMDMVRS0  9212 VERIZON MARYLAND, INC. 240      
301-488 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 A Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 0 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 1 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 2 Washington Zone 13 MD   2593 CORE COMMUNICATIONS, INC.- MD 236   2019-04-29   
301-489 3 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 4 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 5 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 6 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 7 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 8 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-489 9 Washington Zone 13 MD CLPKMDBWDS0  9212 VERIZON MARYLAND, INC. 236      
301-490 A Laurel MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-491 A Hagerstown MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-492 A Washington Zone 2 MD CHCHMDBEDS0  9212 VERIZON MARYLAND, INC. 236      
301-493 A Washington Zone 2 MD BTHSMDWWDS0  9212 VERIZON MARYLAND, INC. 236      
301-494 A Washington Zone 15 (Baltimore LATA) MD PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
301-494 0 Washington Zone 15 (Baltimore LATA) MD PRFRMDPFRS1  9212 VERIZON MARYLAND, INC. 238      
301-494 1 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2012-06-25   
301-494 2 Washington Zone 15 (Baltimore LATA) MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-03-27   
301-494 3 Washington Zone 15 (Baltimore LATA) MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-03-06   
301-494 4 Washington Zone 15 (Baltimore LATA) MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2011-03-11   
301-494 5 Washington Zone 15 (Baltimore LATA) MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2011-06-17   
301-494 6 Washington Zone 15 (Baltimore LATA) MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
301-494 7 Washington Zone 15 (Baltimore LATA) MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2011-06-17   
301-494 8 Washington Zone 15 (Baltimore LATA) MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-05   
301-494 9 Washington Zone 15 (Baltimore LATA) MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-05   
301-495 A Washington Zone 3 MD SLSPMDSSDS0  9212 VERIZON MARYLAND, INC. 236      
301-496 A Washington Zone 2 MD BTHSMDRPDS0  9212 VERIZON MARYLAND, INC. 236      
301-497 A Laurel MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-498 A Laurel MD LARLMDLRDS0  9212 VERIZON MARYLAND, INC. 236      
301-499 A Washington Zone 5 MD CPHGMDCADS0  9212 VERIZON MARYLAND, INC. 236      
301-500 A Washington Zone 2 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
301-500 0 Washington Zone 2 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-07-31   
301-500 1 Washington Zone 2 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-05-13   
301-500 2 Washington Zone 2 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-04-18   
301-500 3 Washington Zone 2 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2011-05-13   
301-500 4 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-01   
301-500 5 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-01   
301-500 6 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-01   
301-500 7 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-01   
301-500 8 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2011-08-01   
301-500 9 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2010-11-01   
301-501 A Oakland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-501 0 Oakland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-501 1 Oakland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-501 2 Oakland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-501 3 Oakland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2014-11-24   

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Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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