About this number
(605) 306 is a landline based telephone number operated by Knology Of The Plains, Inc. - and is located in zip code 57070 in the city of Viborg, South Dakota, which is in Turner 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 306. It has an Operating Company Number (OCN) of 7024. A Common Language Location Identifier (CLLI) of VBRGSDAADS0. As well as a Local access and transport area (LATA) of 640. It was first assigned for usage on 05/07/2001. Zip code 57070 has a population of 1,387 as of the 2010 census.