About this number
(847) 920 is a landline based telephone number operated by Ameritech Illinois and is located in zip code 60091 in the city of Wilmette, 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 847 and Network Numbering Exchange (NXX - also known as a prefix) of 920. It has an Operating Company Number (OCN) of 9329. A Common Language Location Identifier (CLLI) of WLMTILWIDS0. As well as a Local access and transport area (LATA) of 358. Zip code 60091 has a population of 27,020 as of the 2010 census.