About this number
(540) 400 is a landline based telephone number operated by Cox Virginia Telcom, Inc. - Va and is located in the city of Roanoke, Virginia and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 540 and Network Numbering Exchange (NXX - also known as a prefix) of 400. It has an Operating Company Number (OCN) of 7189. A Common Language Location Identifier (CLLI) of RONLVA31GT0. As well as a Local access and transport area (LATA) of 244. It was first assigned for usage on 02/19/2003.