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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-750 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2010-10-01   
443-751 A Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 0 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 1 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 2 Woodlawn MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
443-751 3 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 4 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 5 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 6 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 7 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 8 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 9 Woodlawn MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-752 A Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-752 0 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-03-03   
443-752 1 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-03-21   
443-752 2 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-10-02   
443-752 3 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-12-29   
443-752 4 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-06-04   
443-752 5 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-20   
443-752 6 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-20   
443-752 7 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-08-20   
443-752 8 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-12-14   
443-752 9 Bel Air MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-01-14   
443-753 A Waterloo (Washington DC LATA) MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-753 0 Waterloo (Washington DC LATA) MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-753 1 Waterloo (Washington DC LATA) MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-753 2 Waterloo (Washington DC LATA) MD WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2014-06-12   
443-753 3 Waterloo (Washington DC LATA) MD ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2015-01-21   
443-753 4 Waterloo (Washington DC LATA) MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-753 5 Waterloo (Washington DC LATA) MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-753 6 Waterloo (Washington DC LATA) MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-753 7 Waterloo (Washington DC LATA) MD VINNVACBDS0  876D ONVOY, LLC - MD 236   2021-05-21   
443-753 8 Waterloo (Washington DC LATA) MD   515J IP HORIZON LLC 236   2016-05-31   
443-753 9 Waterloo (Washington DC LATA) MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
443-754 A Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-754 0 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2010-08-06   
443-754 1 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2011-02-03   
443-754 2 Salisbury MD SLBRMDSCXMD  5562 METROPCS, INC. 242   2011-09-27   
443-754 3 Salisbury MD SLBRMDSCXMD  5562 METROPCS, INC. 242   2016-12-29   
443-754 4 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2011-07-15   
443-754 5 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2015-09-30   
443-754 6 Salisbury MD ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242   2017-11-21   
443-754 7 Salisbury MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242   2014-08-01   
443-754 8 Salisbury MD SLBRMDSCXMD  5562 METROPCS, INC. 242   2016-03-05   
443-754 9 Salisbury MD SLBRMDSCXMD  5562 METROPCS, INC. 242   2016-03-05   
443-755 A Waterloo MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-755 0 Waterloo MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-755 1 Waterloo MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-755 2 Waterloo MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2016-05-14   
443-755 3 Waterloo MD BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238   2016-05-14   
443-755 4 Waterloo MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2016-05-14   
443-755 5 Waterloo MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-08-19   
443-755 6 Waterloo MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2016-05-14   
443-755 7 Waterloo MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2016-05-14   
443-755 8 Waterloo MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-755 9 Waterloo MD EKRGMDELDS0  9212 VERIZON MARYLAND, INC. 238      
443-756 A Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-757 A Elkridge MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-757 0 Elkridge MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-757 1 Elkridge MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-757 2 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-05-01   
443-757 3 Elkridge MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-757 4 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-05-01   
443-757 5 Elkridge MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-757 6 Elkridge MD   145J TERRA NOVA TELECOM INC. 238   2022-08-31   
443-757 7 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2010-12-27   
443-757 8 Elkridge MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-757 9 Elkridge MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-758 A Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-758 0 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2008-01-29   
443-758 1 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-02-07   
443-758 2 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2023-01-30   
443-758 3 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-07-03   
443-758 4 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-07-03   
443-758 5 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-07-03   
443-758 6 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-07-03   
443-758 7 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-07-03   
443-758 8 Annapolis MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-07-03   
443-758 9 Annapolis MD   145J TERRA NOVA TELECOM INC. 238   2022-01-05   
443-759 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-759 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2007-12-27   
443-759 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-04-08   
443-759 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2008-04-08   
443-759 3 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2008-02-08   
443-759 4 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2008-02-01   
443-759 5 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2008-02-01   
443-759 6 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2008-02-01   
443-759 7 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2008-02-01   
443-759 8 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2008-02-01   
443-759 9 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2008-02-01   
443-760 A Aberdeen MD BLTMMDCHXAX  7421 AT&T - LOCAL 236      
443-760 0 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-01-24   
443-760 1 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-01-24   
443-760 2 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2009-05-14   
443-760 3 Aberdeen MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 236   2010-03-08   
443-760 4 Aberdeen MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 236   2012-01-14   
443-760 5 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-01-24   
443-760 6 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-01-24   
443-760 7 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-01-24   
443-760 8 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-01-24   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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