About this number
(815) 464-0020 is a landline based telephone number operated by Ameritech Illinois and is located in zip code 60423 in the city of Frankfort, Illinois, which is in Will County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 815, a Network Numbering Exchange (NXX - also known as a prefix) of 464 and a subscriber number of 0020. It has an Operating Company Number (OCN) of 9329. A Common Language Location Identifier (CLLI) of FRFTILFBDS0. As well as a Local access and transport area (LATA) of 358. Zip code 60423 has a population of 30,423 as of the 2010 census.