About this number
(618) 309 is a landline based telephone number operated by At&T Local and is located in zip code 62901 in the city of Carbondale, Illinois, which is in Jackson 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 309. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of CRDLILABNMD. As well as a Local access and transport area (LATA) of 362. It was first assigned for usage on 10/13/2003. Zip code 62901 has a population of 27,182 as of the 2010 census.