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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
240-318 8 Washington Zone 16 MD LARLMDCCDS0  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 236   2004-04-06   
240-318 9 Washington Zone 16 MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-04   
240-319 A Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
240-319 0 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-08-14   
240-319 1 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-10-03   
240-319 2 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2009-10-02   
240-319 3 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-02-16   
240-319 4 Laurel (Baltimore LATA) MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-04-19   
240-319 5 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-12   
240-319 6 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-06-12   
240-319 7 Laurel (Baltimore LATA) MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2010-08-22   
240-319 8 Laurel (Baltimore LATA) MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-28   
240-319 9 Laurel (Baltimore LATA) MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-10-02   
240-320 A Waldorf MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-320 0 Waldorf MD   829J PAETEC ITEL, LLC 236      
240-320 1 Waldorf MD   829J PAETEC ITEL, LLC 236      
240-320 2 Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-08-01   
240-320 3 Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-09-01   
240-320 4 Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-11-01   
240-320 5 Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-11-01   
240-320 6 Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-01-02   
240-320 7 Waldorf MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2006-02-03   
240-320 8 Waldorf MD   829J PAETEC ITEL, LLC 236      
240-320 9 Waldorf MD   829J PAETEC ITEL, LLC 236      
240-321 A Oakland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-321 0 Oakland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-321 1 Oakland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-321 2 Oakland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-321 3 Oakland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-321 4 Oakland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-321 5 Oakland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-321 6 Oakland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-321 7 Oakland MD CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
240-321 8 Oakland MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2008-11-06   
240-321 9 Oakland MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2008-12-04   
240-322 A McCoole MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-323 A Emmitsburg MD HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-324 A Ashton (Baltimore LATA) MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
240-324 0 Ashton (Baltimore LATA) MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2008-11-22   
240-324 1 Ashton (Baltimore LATA) MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2008-11-22   
240-324 2 Ashton (Baltimore LATA) MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2008-11-22   
240-324 3 Ashton (Baltimore LATA) MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-07-23   
240-324 4 Ashton (Baltimore LATA) MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-07-23   
240-324 5 Ashton (Baltimore LATA) MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238   2009-07-23   
240-324 6 Ashton (Baltimore LATA) MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-03-07   
240-324 7 Ashton (Baltimore LATA) MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-02-28   
240-324 8 Ashton (Baltimore LATA) MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-03-21   
240-324 9 Ashton (Baltimore LATA) MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-04-04   
240-325 A Damascus MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-326 A Washington Zone 15 MD   829J PAETEC ITEL, LLC 236   2025-04-02   
240-326 0 Washington Zone 15 MD   829J PAETEC ITEL, LLC 236      
240-326 1 Washington Zone 15 MD   829J PAETEC ITEL, LLC 236      
240-326 2 Washington Zone 15 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2024-04-05   
240-326 3 Washington Zone 15 MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-326 4 Washington Zone 15 MD   829J PAETEC ITEL, LLC 236      
240-326 5 Washington Zone 15 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-07-12   
240-326 6 Washington Zone 15 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-09-24   
240-326 7 Washington Zone 15 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-09-24   
240-326 8 Washington Zone 15 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-05-21   
240-326 9 Washington Zone 15 MD   829J PAETEC ITEL, LLC 236      
240-327 A Gaithersburg MD CHCHMDBEPS0  2593 CORE COMMUNICATIONS, INC.- MD 236   2024-01-16   
240-328 A Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
240-328 0 Washington Zone 10 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-01-13   
240-328 1 Washington Zone 10 MD RKVLMDRVDS1  9212 VERIZON MARYLAND, INC. 236      
240-328 2 Washington Zone 10 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2004-08-21   
240-328 3 Washington Zone 10 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-07-04   
240-328 4 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-09-20   
240-328 5 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-09-20   
240-328 6 Washington Zone 10 MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2005-07-25   
240-328 7 Washington Zone 10 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-03-14   
240-328 8 Washington Zone 10 MD BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2005-08-10   
240-328 9 Washington Zone 10 MD WASKDCFNAMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 236   2005-09-20   
240-329 A Hagerstown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-329 0 Hagerstown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-329 1 Hagerstown MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2006-09-10   
240-329 2 Hagerstown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-04-15   
240-329 3 Hagerstown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-04-15   
240-329 4 Hagerstown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2002-06-28   
240-329 5 Hagerstown MD MRBGWVBUHPA  4095 FIBERNET, LLC - WV 240   2005-10-15   
240-329 6 Hagerstown MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2005-05-13   
240-329 7 Hagerstown MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2005-05-13   
240-329 8 Hagerstown MD FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2005-01-08   
240-329 9 Hagerstown MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-330 A Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-330 0 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-08-18   
240-330 1 Washington Zone 2 MD   829J PAETEC ITEL, LLC 236   2008-05-14   
240-330 2 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-08-18   
240-330 3 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-10-12   
240-330 4 Washington Zone 2 MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2008-10-05   
240-330 5 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-10-12   
240-330 6 Washington Zone 2 MD WASLDCRGDS0  281E YMAX COMMUNICATIONS CORP. - MD 236   2008-10-10   
240-330 7 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
240-330 8 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
240-330 9 Washington Zone 2 MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2008-02-04   
240-331 A Washington Zone 3 MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-331 0 Washington Zone 3 MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-331 1 Washington Zone 3 MD   145J TERRA NOVA TELECOM INC. 236   2021-07-14   
240-331 2 Washington Zone 3 MD WASHDC12MMD  516J TON80 COMMUNICATIONS, LLC 236   2021-10-28   
240-331 3 Washington Zone 3 MD SLSPMD91DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-04-15   
240-331 4 Washington Zone 3 MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-01-15   

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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