About this number
(410) 999 is a landline based telephone number operated by Baltimore-Washington Telephone and is located in zip code 20707 in the city of Laurel, Maryland, which is in Prince George's County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 410 and Network Numbering Exchange (NXX - also known as a prefix) of 999. It has an Operating Company Number (OCN) of 8697. A Common Language Location Identifier (CLLI) of LARLMDEH00T. As well as a Local access and transport area (LATA) of 238. It was first assigned for usage on 06/09/2003. Zip code 20707 has a population of 31,538 as of the 2010 census.