About this number
(517) 522 is a landline based telephone number operated by Frontier North, Inc. - Mi and is located in zip code 49240 in the city of Grass Lake, Michigan, which is in Jackson 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 522. It has an Operating Company Number (OCN) of 695. A Common Language Location Identifier (CLLI) of GRLKMIXGDS0. As well as a Local access and transport area (LATA) of 346. Zip code 49240 has a population of 8,703 as of the 2010 census.