About this number
(309) 374 is a landline based telephone number operated by Citizens Telecom Co Illinois-F and is located in zip code 61442 in the city of Keithsburg, Illinois, which is in Mercer 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 374. It has an Operating Company Number (OCN) of 1183. A Common Language Location Identifier (CLLI) of KTBGILXDRS0. As well as a Local access and transport area (LATA) of 634. Zip code 61442 has a population of 762 as of the 2010 census.