About this number
(605) 356 is a landline based telephone number operated by Qwest Corporation and is located in zip code 57025 in the city of Elk Point, South Dakota, which is in Union 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 356. It has an Operating Company Number (OCN) of 9631. A Common Language Location Identifier (CLLI) of ELPNSDCORS1. As well as a Local access and transport area (LATA) of 640. Zip code 57025 has a population of 2,795 as of the 2010 census.