About this number
There is 1 OK rating for this phone number. (443) 546-4495 is a landline based telephone number operated by Comcast Phone Of Northern Mary and is located in zip code 21044 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 546 and a subscriber number of 4495. It has an Operating Company Number (OCN) of 107D. A Common Language Location Identifier (CLLI) of NOCLLIKNOWN. As well as a Local access and transport area (LATA) of 238. It was first assigned for usage on 09/05/2006. Zip code 21044 has a population of 41,704 as of the 2010 census.