About this number
(605) 818 is a landline based telephone number operated by Rc Communications, Inc. - Sd and is located in zip code 57266 in the city of Summit, South Dakota, which is in Roberts 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 818. It has an Operating Company Number (OCN) of 683C. A Common Language Location Identifier (CLLI) of SMMTSDXADS0. As well as a Local access and transport area (LATA) of 640. It was first assigned for usage on 10/10/2006. Zip code 57266 has a population of 607 as of the 2010 census.