About this number
(312) 447-0030 is a landline based telephone number operated by Ameritech Illinois and is located in zip code 60605 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 447 and a subscriber number of 0030. It has an Operating Company Number (OCN) of 9329. A Common Language Location Identifier (CLLI) of CHCGILWBDS2. As well as a Local access and transport area (LATA) of 358. Zip code 60605 has a population of 24,668 as of the 2010 census.