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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
240-962 1 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-12-08   
240-962 2 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2022-12-08   
240-962 3 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2023-08-22   
240-962 4 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2023-08-22   
240-962 5 Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
240-962 6 Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-20   
240-962 7 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2023-09-21   
240-962 8 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2023-09-21   
240-962 9 Laurel MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2023-09-21   
240-963 A Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-963 0 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-12-18   
240-963 1 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-12-18   
240-963 2 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-12-18   
240-963 3 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-12-18   
240-963 4 Washington Zone 3 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-07-13   
240-963 5 Washington Zone 3 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-04-07   
240-963 7 Washington Zone 3 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-02-26   
240-963 8 Washington Zone 3 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-19   
240-963 9 Washington Zone 3 MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-19   
240-964 A Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240      
240-964 0 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-964 1 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-964 2 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-964 3 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-964 4 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-964 5 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-964 6 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-964 7 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-964 8 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-964 9 Cumberland MD CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-965 A Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236   2025-04-02   
240-965 0 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-965 1 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-965 2 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-965 3 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-965 4 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-965 5 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-06-17   
240-965 6 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-12-14   
240-965 7 Washington Zone 13 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2006-12-14   
240-965 8 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-965 9 Washington Zone 13 MD WASHDCSWXZZ  829J PAETEC ITEL, LLC 236      
240-966 A Washington Zone 16 MD ARTNVAARXJY  516J TON80 COMMUNICATIONS, LLC 236   2024-01-31   
240-966 0 Washington Zone 16 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-966 1 Washington Zone 16 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2022-09-22   
240-966 2 Washington Zone 16 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-07-19   
240-966 3 Washington Zone 16 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2022-07-19   
240-966 4 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-10-15   
240-966 5 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2022-10-15   
240-966 6 Washington Zone 16 MD ARTNVAARXJY  516J TON80 COMMUNICATIONS, LLC 236   2022-04-30   
240-966 7 Washington Zone 16 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2023-06-15   
240-966 8 Washington Zone 16 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2023-08-10   
240-966 9 Washington Zone 16 MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2023-02-27   
240-967 A Cumberland MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-967 0 Cumberland MD HGTWMD53FMD  490J BOOST SUBSCRIBERCO L.L.C. 240   2022-12-08   
240-967 1 Cumberland MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2023-09-25   
240-967 2 Cumberland MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2025-01-04   
240-967 3 Cumberland MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2025-05-03   
240-967 4 Cumberland MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2025-07-19   
240-967 5 Cumberland MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2025-12-28   
240-967 7 Cumberland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2024-10-29   
240-967 8 Cumberland MD FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2024-10-11   
240-967 9 Cumberland MD FRDRMDFRKMD  5562 METROPCS, INC. 240   2022-12-03   
240-968 A Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
240-968 0 Laurel MD SLSPMD913MD  939H COMMIO, LLC 236   2022-12-06   
240-968 1 Laurel MD WASHDC12NMD  490J BOOST SUBSCRIBERCO L.L.C. 236   2023-03-12   
240-968 2 Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2024-11-01   
240-968 3 Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-05   
240-968 4 Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-02-05   
240-968 5 Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-05   
240-968 6 Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-05   
240-968 7 Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-05   
240-968 8 Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-05   
240-968 9 Laurel MD CHCHMDBEWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2022-12-05   
240-969 A Walkersville MD HGTWMD539MD  939H COMMIO, LLC 240      
240-969 0 Walkersville MD HGTWMD539MD  939H COMMIO, LLC 240   2023-01-06   
240-969 1 Walkersville MD HGTWMD539MD  939H COMMIO, LLC 240   2023-01-06   
240-969 2 Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-10-22   
240-969 3 Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-10-22   
240-969 4 Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-10-22   
240-969 5 Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-10-22   
240-969 6 Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-10-22   
240-969 7 Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2024-03-02   
240-969 8 Walkersville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2024-04-05   
240-970 A Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-970 0 Washington Zone 12 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2016-11-25   
240-970 1 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2016-01-11   
240-970 2 Washington Zone 12 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2016-07-23   
240-970 3 Washington Zone 12 MD BTVLMD12CMA  5562 METROPCS, INC. 236   2016-12-12   
240-970 4 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2017-05-25   
240-970 5 Washington Zone 12 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-09-12   
240-970 6 Washington Zone 12 MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2018-02-06   
240-970 7 Washington Zone 12 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2015-08-01   
240-970 8 Washington Zone 12 MD   515J IP HORIZON LLC 236   2016-05-31   
240-970 9 Washington Zone 12 MD WASHDC127MD  073H TELNYX LLC 236   2017-04-27   
240-971 A Frederick MD FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240      
240-971 0 Frederick MD HGTWMD530MD  073H TELNYX LLC 240   2017-08-08   
240-971 1 Frederick MD FRDRMDFRIMD  551G NUSO, LLC 240   2018-10-14   
240-971 2 Frederick MD FRDRMDFRIMD  551G NUSO, LLC 240   2018-11-07   
240-971 3 Frederick MD FRDRMDFRIMD  551G NUSO, LLC 240   2018-11-07   
240-971 4 Frederick MD FRDRMDFRIMD  551G NUSO, LLC 240   2018-11-07   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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