About this number
(312) 621-4413 is a landline based telephone number operated by Ameritech Illinois and is located in zip code 60606 in the city of Chicago, Illinois, which is in Cook County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 312, a Network Numbering Exchange (NXX - also known as a prefix) of 621 and a subscriber number of 4413. It has an Operating Company Number (OCN) of 9329. A Common Language Location Identifier (CLLI) of CHCGILFRDS3. As well as a Local access and transport area (LATA) of 358. Zip code 60606 has a population of 2,308 as of the 2010 census.