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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
443-432 1 Prince Frederick MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-432 2 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-20   
443-432 3 Prince Frederick MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-10-15   
443-432 4 Prince Frederick MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-20   
443-432 5 Prince Frederick MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-05-08   
443-432 6 Prince Frederick MD   515J IP HORIZON LLC 238   2015-03-23   
443-432 7 Prince Frederick MD BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-432 8 Prince Frederick MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2014-10-10   
443-432 9 Prince Frederick MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2013-12-27   
443-433 A Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-433 0 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-433 1 Annapolis MD PIVLMDPKFMD  5966 LIGHTWAVE COMMUNICATIONS, LLC - MD 238   2005-10-07   
443-433 2 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-02   
443-433 3 Annapolis MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238   2005-04-18   
443-433 4 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-433 5 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-433 6 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-02   
443-433 7 Annapolis MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-433 8 Annapolis MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-02   
443-433 9 Annapolis MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-08-19   
443-434 A Federalsburg MD SLBRMDSBWMD  073H TELNYX LLC 242      
443-434 0 Federalsburg MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
443-434 1 Federalsburg MD SLBRMDSBWMD  073H TELNYX LLC 242   2017-09-13   
443-434 2 Federalsburg MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
443-434 3 Federalsburg MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2006-07-31   
443-434 4 Federalsburg MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-04-13   
443-434 5 Federalsburg MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2015-09-21   
443-434 6 Federalsburg MD SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2012-07-13   
443-434 7 Federalsburg MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
443-434 8 Federalsburg MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
443-434 9 Federalsburg MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
443-435 A Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-02-09   
443-435 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-18   
443-435 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-18   
443-435 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-18   
443-435 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-18   
443-435 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-18   
443-435 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-18   
443-435 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-18   
443-435 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-18   
443-435 8 Baltimore MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-03-18   
443-435 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-03-18   
443-436 A Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
443-436 0 Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
443-436 1 Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
443-436 2 Woodlawn MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-05   
443-436 3 Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
443-436 4 Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
443-436 5 Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
443-436 6 Woodlawn MD WDLWMDWLDS0  9212 VERIZON MARYLAND, INC. 238      

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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