About this number
(443) 766-6843 is a landline based telephone number operated by Us Lec Of Maryland, Inc. and is located in zip code 21046 in the city of Columbia, Maryland, which is in Howard County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 443, a Network Numbering Exchange (NXX - also known as a prefix) of 766 and a subscriber number of 6843. It has an Operating Company Number (OCN) of 2589. A Common Language Location Identifier (CLLI) of CLMAMDJTDSA. As well as a Local access and transport area (LATA) of 238. It was first assigned for usage on 05/18/2005. Zip code 21046 has a population of 15,080 as of the 2010 census.