About this number
(309) 245 is a landline based telephone number operated by Ameritech Illinois and is located in zip code 61531 in the city of Farmington, Illinois, which is in Fulton County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 309 and Network Numbering Exchange (NXX - also known as a prefix) of 245. It has an Operating Company Number (OCN) of 9329. A Common Language Location Identifier (CLLI) of FRTNILFMRS0. As well as a Local access and transport area (LATA) of 368. Zip code 61531 has a population of 3,379 as of the 2010 census.