About this number
(443) 721 is a wireless/mobile based telephone number operated by Cellco Partnership DBA Verizon and is located in the city of Baltimore, Maryland and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 443 and Network Numbering Exchange (NXX - also known as a prefix) of 721. It has an Operating Company Number (OCN) of 6395. A Common Language Location Identifier (CLLI) of WDLWMDEMCM3. As well as a Local access and transport area (LATA) of 238. It was first assigned for usage on 07/06/2009.