About this number
(815) 745 is a landline based telephone number operated by Frontier North, Inc. - Il and is located in zip code 61087 in the city of Warren, Illinois, which is in Jo Daviess 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 745. It has an Operating Company Number (OCN) of 1036. A Common Language Location Identifier (CLLI) of WRRNILXARS0. As well as a Local access and transport area (LATA) of 360. Zip code 61087 has a population of 1,670 as of the 2010 census.