About this number
(517) 618 is a landline based telephone number operated by Level 3 Communications, LLC - and is located in zip code 48075 in the city of Southfield, Michigan, which is in Oakland County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 517 and Network Numbering Exchange (NXX - also known as a prefix) of 618. It has an Operating Company Number (OCN) of 6120. A Common Language Location Identifier (CLLI) of SFLDMIDNDS6. As well as a Local access and transport area (LATA) of 340. Zip code 48075 has a population of 21,790 as of the 2010 census.