About this number
(309) 725 is a landline based telephone number operated by Frontier Communications Of Ill and is located in zip code 61730 in the city of Cooksville, Illinois, which is in McLean 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 725. It has an Operating Company Number (OCN) of 1038. A Common Language Location Identifier (CLLI) of CKVLILXDRS0. As well as a Local access and transport area (LATA) of 366. Zip code 61730 has a population of 379 as of the 2010 census.