About this number
(815) 517 is a landline based telephone number operated by McI Worldcom Communications, I and is located in zip code 60115 in the city of Dekalb, 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 and Network Numbering Exchange (NXX - also known as a prefix) of 517. It has an Operating Company Number (OCN) of 7196. A Common Language Location Identifier (CLLI) of DKLBILXAYMD. As well as a Local access and transport area (LATA) of 364. It was first assigned for usage on 06/28/2004. Zip code 60115 has a population of 46,272 as of the 2010 census.