About this number
(517) 857 is a landline based telephone number operated by Springport Telephone Co. and is located in zip code 49284 in the city of Springport, 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 857. It has an Operating Company Number (OCN) of 728. A Common Language Location Identifier (CLLI) of SPPTMIXIDS0. As well as a Local access and transport area (LATA) of 346. Zip code 49284 has a population of 3,028 as of the 2010 census.