About this number
(309) 310 is a wireless/mobile based telephone number operated by Sprint Spectrum L.P. and is located in zip code 61744 in the city of Gridley, 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 310. It has an Operating Company Number (OCN) of 6664. A Common Language Location Identifier (CLLI) of GRDLILAACM0. As well as a Local access and transport area (LATA) of 366. Zip code 61744 has a population of 2,031 as of the 2010 census.