About this number
(240) 542-7731 is a landline based telephone number operated by Bandwidth.Com Clec, LLC - Md and is located in zip code 22102 in the city of Mc Lean, Maryland, which is in Fairfax County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 240, a Network Numbering Exchange (NXX - also known as a prefix) of 542 and a subscriber number of 7731. It has an Operating Company Number (OCN) of 071F. A Common Language Location Identifier (CLLI) of NOCLLIKNOWN. As well as a Local access and transport area (LATA) of 236. It was first assigned for usage on 07/21/2010. Zip code 22102 has a population of 21,985 as of the 2010 census.