About this number
(605) 677 is a landline based telephone number operated by Qwest Corporation and is located in zip code 57069 in the city of Vermillion, South Dakota, which is in Clay 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 677. It has an Operating Company Number (OCN) of 9631. A Common Language Location Identifier (CLLI) of VRMLSDCODS0. As well as a Local access and transport area (LATA) of 640. Zip code 57069 has a population of 11,988 as of the 2010 census.