About this number
(605) 256-0037 is a landline based telephone number operated by Qwest Corporation and is located in zip code 57042 in the city of Madison, South Dakota, which is in Lake County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 605, a Network Numbering Exchange (NXX - also known as a prefix) of 256 and a subscriber number of 0037. It has an Operating Company Number (OCN) of 9631. A Common Language Location Identifier (CLLI) of MDSNSDCERS1. As well as a Local access and transport area (LATA) of 640. Zip code 57042 has a population of 8,415 as of the 2010 census.