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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
443-279 2 Towson MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 3 Towson MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 4 Towson MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 5 Towson MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 6 Towson MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 7 Towson MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-279 8 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-279 9 Towson MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-280 A Sykesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 0 Sykesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 1 Sykesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 2 Sykesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 3 Sykesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 4 Sykesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 5 Sykesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 6 Sykesville MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-280 7 Sykesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 8 Sykesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
443-280 9 Sykesville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-281 A Cockeysville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 0 Cockeysville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 1 Cockeysville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 2 Cockeysville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 3 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-281 5 Cockeysville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 6 Cockeysville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 7 Cockeysville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-281 8 Cockeysville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-281 9 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-282 A Chestertown MD SLBRMDSCXMD  5562 METROPCS, INC. 242      
443-282 0 Chestertown MD ESTNMDESMMD  228C IDT AMERICA, CORP. - MD 242      
443-282 1 Chestertown MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
443-282 2 Chestertown MD   876D ONVOY, LLC - MD 242      
443-282 3 Chestertown MD ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242      
443-282 4 Chestertown MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-282 5 Chestertown MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
443-282 6 Chestertown MD   5562 METROPCS, INC. 242      
443-282 7 Chestertown MD SLBRMDSCXMD  5562 METROPCS, INC. 242      
443-282 8 Chestertown MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
443-282 9 Chestertown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
443-283 A Columbia MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-284 A Waterloo MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-284 2 Waterloo MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-284 3 Waterloo MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-284 5 Waterloo MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-284 6 Waterloo MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-284 7 Waterloo MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-285 A Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
443-285 0 Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
443-285 1 Columbia MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-285 2 Columbia MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-285 3 Columbia MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-285 4 Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
443-285 5 Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
443-285 6 Columbia MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-285 7 Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
443-285 8 Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
443-285 9 Columbia MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-286 A Baltimore MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-287 A Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
443-288 A Ellicott City MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 0 Ellicott City MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 1 Ellicott City MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 2 Ellicott City MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 3 Ellicott City MD BLTMMDSNDS6  281E YMAX COMMUNICATIONS CORP. - MD 238      
443-288 4 Ellicott City MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 5 Ellicott City MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 6 Ellicott City MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 7 Ellicott City MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 8 Ellicott City MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-288 9 Ellicott City MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-289 A Westminster MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-289 0 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-289 1 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
443-289 2 Westminster MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-289 3 Westminster MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
443-289 4 Westminster MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-289 5 Westminster MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-289 6 Westminster MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-289 7 Westminster MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
443-289 8 Westminster MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-289 9 Westminster MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-290 A Parkville MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-290 0 Parkville MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
443-290 1 Parkville MD   515J IP HORIZON LLC 238      
443-290 2 Parkville MD BLTMMDDNDS2  7591 LEVEL 3 TELECOM OF MARYLAND, LLC - MD 238      
443-290 3 Parkville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-290 4 Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-290 5 Parkville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-290 6 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-290 7 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-290 8 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-290 9 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
443-291 A Hampstead MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-291 2 Hampstead MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
443-291 3 Hampstead MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-291 4 Hampstead MD BLTOMDXIDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC. - MD 238      
443-291 5 Hampstead MD   876D ONVOY, LLC - MD 238      
443-291 6 Hampstead MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
443-291 7 Hampstead MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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