About this number
(815) 970-3587 is a wireless/mobile based telephone number operated by Sprint Spectrum L.P. and is located in zip code 60112 in the city of Cortland, Illinois, which is in Dekalb 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 970 and a subscriber number of 3587. It has an Operating Company Number (OCN) of 6664. A Common Language Location Identifier (CLLI) of DKLBILXC3MD. As well as a Local access and transport area (LATA) of 364. It was first assigned for usage on 01/01/1901. Zip code 60112 has a population of 4,560 as of the 2010 census.