About this number
(605) 223-4439 is a landline based telephone number operated by Qwest Corporation and is located in zip code 57532 in the city of Fort Pierre, South Dakota, which is in Stanley 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 223 and a subscriber number of 4439. It has an Operating Company Number (OCN) of 9631. A Common Language Location Identifier (CLLI) of FTPRSDCERS1. As well as a Local access and transport area (LATA) of 640. Zip code 57532 has a population of 2,835 as of the 2010 census.