About this number
(240) 377-0028 is a landline based telephone number operated by Level 3 Communications, LLC - and is located in zip code 20005 in the city of Washington, Maryland, which is in District Of Columbia 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 377 and a subscriber number of 0028. It has an Operating Company Number (OCN) of 6119. 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 02/06/2006. Zip code 20005 has a population of 12,775 as of the 2010 census.