About this number
(443) 579-6645 is a wireless/mobile based telephone number operated by Omnipoint Communications Cap O 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 579 and a subscriber number of 6645. It has an Operating Company Number (OCN) of 6855. A Common Language Location Identifier (CLLI) of BLTMMDCHXWY. As well as a Local access and transport area (LATA) of 238. It was first assigned for usage on 06/17/2008. Zip code 21046 has a population of 15,080 as of the 2010 census.