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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-734 3 Smithsburg MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-13   
240-734 4 Smithsburg MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2017-09-11   
240-734 5 Smithsburg MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-03-11   
240-734 6 Smithsburg MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-02   
240-734 7 Smithsburg MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2016-10-28   
240-734 8 Smithsburg MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2019-05-02   
240-734 9 Smithsburg MD HGTWMD530MD  073H TELNYX LLC 240   2017-08-08   
240-735 A Brunswick MD FRDRMDFRXUX  478J NUSO, LLC 240      
240-735 0 Brunswick MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2021-07-17   
240-735 1 Brunswick MD FRDRMDFRXUX  478J NUSO, LLC 240   2020-10-27   
240-735 2 Brunswick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-12-03   
240-735 3 Brunswick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-735 4 Brunswick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-07-11   
240-735 5 Brunswick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-07-11   
240-735 6 Brunswick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-12-03   
240-735 7 Brunswick MD HGTWMD53FMD  490J DISH WIRELESS, LLC 240   2023-07-28   
240-735 8 Brunswick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2024-03-07   
240-735 9 Brunswick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2024-07-06   
240-736 A Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-736 0 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-07-30   
240-736 1 Laurel MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-04-02   
240-736 2 Laurel MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-04-02   
240-736 3 Laurel MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-04-02   
240-736 4 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-01-01   
240-736 5 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-01-01   
240-736 6 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-01-01   
240-736 7 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2020-10-17   
240-736 8 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2020-10-17   
240-736 9 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2020-10-17   
240-737 A Washington Zone 4 MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-738 A Hancock MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-738 0 Hancock MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2020-10-18   
240-738 1 Hancock MD CMLDMDCM2MD  836G SHENTEL COMMUNICATIONS, LLC. - MD 240   2020-10-22   
240-738 3 Hancock MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-738 4 Hancock MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-15   
240-738 5 Hancock MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-11-15   
240-738 6 Hancock MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-21   
240-738 8 Hancock MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-21   
240-738 9 Hancock MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2023-11-03   
240-739 A Frederick MD CMLDMDCMWMD  515J IP HORIZON LLC 240      
240-739 0 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2020-11-24   
240-739 1 Frederick MD   515J IP HORIZON LLC 240   2020-11-06   
240-739 2 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2020-11-24   
240-739 3 Frederick MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2021-03-14   
240-739 4 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2020-12-31   
240-739 5 Frederick MD CMLDMDCM2MD  836G SHENTEL COMMUNICATIONS, LLC. - MD 240   2021-07-23   
240-739 6 Frederick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-08-16   
240-739 7 Frederick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-08-16   
240-739 8 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-08-20   
240-739 9 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-08-20   
240-740 A Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236      
240-740 0 Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 1 Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 2 Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 3 Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 4 Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 5 Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 6 Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 7 Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 8 Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-740 9 Washington Zone 10 MD VINNVACB1MD  361H ATLANTECH ONLINE, INC. - MD 236   2015-11-01   
240-741 A Frederick MD CMLDMDCMYMD  996H AIRESPRING, INC. 240      
240-741 0 Frederick MD CMLDMDCMYMD  996H AIRESPRING, INC. 240   2020-11-15   
240-741 1 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2021-04-22   
240-741 2 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2021-07-02   
240-741 3 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2021-07-02   
240-741 4 Frederick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-741 5 Frederick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-02-23   
240-741 6 Frederick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-02-23   
240-741 7 Frederick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-02-23   
240-741 8 Frederick MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-02-23   
240-741 9 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-04-08   
240-742 A Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXKX  478J NUSO, LLC 238      
240-742 0 Washington Zone 14 (Baltimore LATA) MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2023-10-20   
240-742 1 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXKX  478J NUSO, LLC 238   2021-01-21   
240-742 2 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
240-742 3 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
240-742 4 Washington Zone 14 (Baltimore LATA) MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-10-16   
240-742 5 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-03   
240-742 6 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   
240-742 7 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2024-12-23   
240-742 8 Washington Zone 14 (Baltimore LATA) MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-03-03   
240-742 9 Washington Zone 14 (Baltimore LATA) MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-12-02   
240-743 A Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-743 0 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-08-09   
240-743 1 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2014-07-01   
240-743 2 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2014-05-11   
240-743 3 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2007-08-27   
240-743 4 Washington Zone 2 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2007-09-20   
240-743 5 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2007-09-13   
240-743 6 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-10-09   
240-743 7 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-743 8 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-743 9 Washington Zone 2 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2007-09-17   
240-744 A Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-744 0 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-744 1 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-744 2 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2005-07-02   
240-744 3 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      
240-744 4 Washington Zone 2 MD MCLNVA23DS4  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236      

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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