About this number
(309) 221 is a wireless/mobile based telephone number operated by United States Cellular Corp. - and is located in zip code 61401 in the city of Galesburg, Illinois, which is in Knox 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 221. It has an Operating Company Number (OCN) of 6265. A Common Language Location Identifier (CLLI) of GLBGILXDCM1. As well as a Local access and transport area (LATA) of 977. Zip code 61401 has a population of 34,788 as of the 2010 census.