About this number
(618) 594 is a landline based telephone number operated by Ameritech Illinois and is located in zip code 62231 in the city of Carlyle, Illinois, which is in Clinton County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 618 and Network Numbering Exchange (NXX - also known as a prefix) of 594. It has an Operating Company Number (OCN) of 9329. A Common Language Location Identifier (CLLI) of CRLYILCLRS0. As well as a Local access and transport area (LATA) of 520. Zip code 62231 has a population of 7,589 as of the 2010 census.