About this number
(435) 400 is a wireless/mobile based telephone number operated by All West Wireless, Inc. and is located in zip code 84066 in the city of Roosevelt, Utah, which is in Duchesne County, and is in the West. It has a Number Planning Area (NPA - also known as an Area Code) of 435 and Network Numbering Exchange (NXX - also known as a prefix) of 400. It has an Operating Company Number (OCN) of 490D. A Common Language Location Identifier (CLLI) of RSVTUTANCM0. As well as a Local access and transport area (LATA) of 660. It was first assigned for usage on 09/06/2005. Zip code 84066 has a population of 11,283 as of the 2010 census.