About this number
(605) 574 is a landline based telephone number operated by Qwest Corporation and is located in zip code 57745 in the city of Hill City, South Dakota, which is in Pennington 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 574. It has an Operating Company Number (OCN) of 9631. A Common Language Location Identifier (CLLI) of HLCYSDCORS1. As well as a Local access and transport area (LATA) of 640. Zip code 57745 has a population of 2,109 as of the 2010 census.