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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
443-748 8 Millersville MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL INC 238   2020-12-26   
443-749 A Glen Burnie MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 0 Glen Burnie MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 1 Glen Burnie MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 2 Glen Burnie MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 3 Glen Burnie MD BLTMMDCHXQX  197D VONAGE NETWORK INC. 238   2020-05-13   
443-749 4 Glen Burnie MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 5 Glen Burnie MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 6 Glen Burnie MD BLTMMDCHXQX  197D VONAGE NETWORK INC. 238   2020-05-13   
443-749 7 Glen Burnie MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 8 Glen Burnie MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-749 9 Glen Burnie MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-750 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-750 0 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-08-06   
443-750 1 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-08-09   
443-750 2 Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2010-08-09   
443-750 3 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2010-10-01   
443-750 4 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2010-10-01   
443-750 5 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2010-10-01   
443-750 6 Baltimore MD BLTOMDKHDS0  7228 MCI WORLDCOM COMMUNICATIONS, INC. - MD 238   2010-08-25   
443-750 7 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2010-10-01   
443-750 8 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2010-10-01   
443-750 9 Baltimore MD EKRGMD92MMD  6664 SPRINT SPECTRUM L.P. 238   2010-10-01   
443-751 A Woodlawn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 0 Woodlawn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 1 Woodlawn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 2 Woodlawn MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC. - MD 238   2019-05-02   
443-751 3 Woodlawn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 4 Woodlawn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 5 Woodlawn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 6 Woodlawn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 7 Woodlawn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 8 Woodlawn MD HNVAMDBHRS0  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
443-751 9 Woodlawn MD HNVAMDBHRS0  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 WASHDCRKDS3  8992 ALLEGIANCE TELECOM, INC. - MD 236      
443-753 0 Waterloo (Washington DC LATA) MD WASHDCRKDS3  8992 ALLEGIANCE TELECOM, INC. - MD 236      
443-753 1 Waterloo (Washington DC LATA) MD WASHDCRKDS3  8992 ALLEGIANCE TELECOM, INC. - MD 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   

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Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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