About this number
(815) 448 is a landline based telephone number operated by Ameritech Illinois and is located in zip code 60444 in the city of Mazon, Illinois, which is in Grundy County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 815 and Network Numbering Exchange (NXX - also known as a prefix) of 448. It has an Operating Company Number (OCN) of 9329. A Common Language Location Identifier (CLLI) of MAZNILMZRS0. As well as a Local access and transport area (LATA) of 358. Zip code 60444 has a population of 1,761 as of the 2010 census.