About this number
(443) 741 is a landline based telephone number operated by McI Worldcom Communications, I and is located in the city of Columbia, 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 741. It has an Operating Company Number (OCN) of 7228. A Common Language Location Identifier (CLLI) of BLTOMDKHDS0. As well as a Local access and transport area (LATA) of 238. It was first assigned for usage on 03/29/2011.