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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
240-904 2 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-09-02   
240-904 3 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-09-02   
240-904 4 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-09-11   
240-904 5 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-06-24   
240-904 6 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-02-12   
240-904 7 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-02-12   
240-904 8 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-05-22   
240-904 9 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-08-19   
240-905 A Brandywine MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-905 4 Brandywine MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-04   
240-905 5 Brandywine MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-04   
240-905 8 Brandywine MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-07-14   
240-905 9 Brandywine MD BTVLMD12CMA  5562 METROPCS, INC. 236   2022-03-03   
240-906 A Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-906 0 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-10-17   
240-906 1 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2017-09-29   
240-906 2 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-11-26   
240-906 3 Washington Zone 4 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2017-10-26   
240-906 4 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-09-20   
240-906 5 Washington Zone 4 MD WASHDC126MD  964H BARR TELL USA, INC. 236   2018-05-08   
240-906 6 Washington Zone 4 MD WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2017-02-13   
240-906 7 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-10-22   
240-906 8 Washington Zone 4 MD SLSPMD913MD  939H COMMIO, LLC 236   2021-09-16   
240-906 9 Washington Zone 4 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-11-24   
240-907 A Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236      
240-907 0 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-09-11   
240-907 1 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2017-08-06   
240-907 2 Washington Zone 10 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2016-09-11   
240-907 3 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-24   
240-907 4 Washington Zone 10 MD BTVLMD18G00  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-05-24   
240-907 5 Washington Zone 10 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2020-04-30   
240-907 6 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2018-04-27   
240-907 7 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2017-01-17   
240-907 8 Washington Zone 10 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-12-09   
240-907 9 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2016-09-10   
240-908 A Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-908 0 Walkersville MD HGTWMD530MD  073H TELNYX LLC 240   2017-08-08   
240-908 1 Walkersville MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-908 2 Walkersville MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-908 3 Walkersville MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-908 4 Walkersville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2018-06-24   
240-908 5 Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-09-20   
240-908 6 Walkersville MD FRDRMDFRXAX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240   2019-04-22   
240-908 7 Walkersville MD FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-10-28   
240-908 8 Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-10-02   
240-908 9 Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-10-02   
240-909 A Laurel MD BTVLMD12CMA  5562 METROPCS, INC. 236      
240-909 0 Laurel MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
240-909 1 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-03-05   
240-909 2 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-03-05   
240-909 3 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-03-05   
240-909 4 Laurel MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-06   
240-909 5 Laurel MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-06   
240-909 6 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-06-02   
240-909 7 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-03-05   
240-909 8 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-03-05   
240-909 9 Laurel MD BTVLMD12CMA  5562 METROPCS, INC. 236   2022-03-04   
240-910 A Frederick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-910 0 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-06-05   
240-910 1 Frederick MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2021-07-01   
240-910 2 Frederick MD HGTWMD539MD  939H COMMIO, LLC 240   2021-07-17   
240-910 3 Frederick MD HGTWMD539MD  939H COMMIO, LLC 240   2021-07-17   
240-910 4 Frederick MD HGTWMD539MD  939H COMMIO, LLC 240   2021-07-17   
240-910 5 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2022-03-16   
240-910 6 Frederick MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2022-03-16   
240-910 7 Frederick MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2022-12-02   
240-910 8 Frederick MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-07-08   
240-910 9 Frederick MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-04-30   
240-912 A Gaithersburg MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-912 0 Gaithersburg MD   829J PAETEC ITEL, LLC 236      
240-912 1 Gaithersburg MD   829J PAETEC ITEL, LLC 236      
240-912 2 Gaithersburg MD   829J PAETEC ITEL, LLC 236      
240-912 3 Gaithersburg MD   829J PAETEC ITEL, LLC 236      
240-912 4 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 5 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 6 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 7 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-912 8 Gaithersburg MD   829J PAETEC ITEL, LLC 236      
240-912 9 Gaithersburg MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-12-12   
240-913 A Damascus (Hagerstown LATA) MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-913 0 Damascus (Hagerstown LATA) MD HGTWMD530MD  073H TELNYX LLC 240   2017-08-08   
240-913 2 Damascus (Hagerstown LATA) MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2019-05-30   
240-913 3 Damascus (Hagerstown LATA) MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-04-29   
240-913 4 Damascus (Hagerstown LATA) MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2018-02-02   
240-913 5 Damascus (Hagerstown LATA) MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-01-15   
240-913 6 Damascus (Hagerstown LATA) MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2020-01-15   
240-913 7 Damascus (Hagerstown LATA) MD FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-10-26   
240-913 8 Damascus (Hagerstown LATA) MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-10-02   
240-913 9 Damascus (Hagerstown LATA) MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-10-02   
240-914 A Highfield MD HGTWMD53FMD  490J DISH WIRELESS, LLC 240      
240-914 8 Highfield MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-06-16   
240-914 9 Highfield MD HGTWMD53FMD  490J DISH WIRELESS, LLC 240   2023-03-20   
240-915 A New Market MD CMLDMDCMUMD  073H TELNYX LLC 240      
240-915 0 New Market MD CMLDMDCMUMD  073H TELNYX LLC 240   2017-08-08   
240-915 1 New Market MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-915 2 New Market MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2017-03-10   
240-915 3 New Market MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-915 4 New Market MD   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-915 5 New Market MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2021-03-08   
240-915 6 New Market MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240   2019-10-21   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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