443-537
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Area Code 443
NPA-NXX 443-537
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Raw Number 443537 Basic Format 443-537 NPA (Area Code) 443 NXX 537
Call Routing Data NPA-NXX-X OCN Company Rate Center Use Type Assign Date City State Region Block Effective Date 443-537-0XXX 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC COLUMBIA AS 09/30/2009 COLUMBIA MD MA 10/30/2009 443-537-1XXX 6119 LEVEL 3 COMMUNICATIONS, LLC - MD COLUMBIA AS 09/25/2009 COLUMBIA MD MA 10/25/2009 443-537-2XXX 829J PAETEC ITEL, LLC COLUMBIA AS 02/15/2011 COLUMBIA MD MA 03/11/2011 443-537-3XXX 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD COLUMBIA AS 05/05/2010 COLUMBIA MD MA 06/03/2010 443-537-4XXX 6119 LEVEL 3 COMMUNICATIONS, LLC - MD COLUMBIA AS 05/26/2009 COLUMBIA MD MA 07/13/2009 443-537-5XXX 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD COLUMBIA AS 06/02/2010 COLUMBIA MD MA 06/14/2010 443-537-6XXX 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD COLUMBIA AS 06/02/2010 COLUMBIA MD MA 06/14/2010 443-537-7XXX 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD COLUMBIA AS 06/02/2010 COLUMBIA MD MA 06/14/2010 443-537-8XXX 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD COLUMBIA AS 06/02/2010 COLUMBIA MD MA 06/14/2010 443-537-9XXX 071F BANDWIDTH.COM CLEC, LLC - MD COLUMBIA AS 12/29/2010 COLUMBIA MD MA 02/05/2011 443-537-XXXX 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD COLUMBIA AS COLUMBIA MD
Business/Government Phones on the 443-537 Prefix
Reports
Anonymous User from Severn, Maryland
January 6, 2026 at 3:22 PM
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