About this number
(605) 378 is a landline based telephone number operated by Qwest Corporation and is located in zip code 69201 in the city of Valentine, South Dakota, which is in Cherry County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 605 and Network Numbering Exchange (NXX - also known as a prefix) of 378. It has an Operating Company Number (OCN) of 9631. A Common Language Location Identifier (CLLI) of VLNTNENWDS0. As well as a Local access and transport area (LATA) of 644. Zip code 69201 has a population of 4,005 as of the 2010 census.