About this number
(231) 889-0021 is a landline based telephone number operated by Ameritech Michigan and is located in zip code 49675 in the city of Onekama, Michigan, which is in Manistee County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 231, a Network Numbering Exchange (NXX - also known as a prefix) of 889 and a subscriber number of 0021. It has an Operating Company Number (OCN) of 9323. A Common Language Location Identifier (CLLI) of ONKMMIMNRSA. As well as a Local access and transport area (LATA) of 348. Zip code 49675 has a population of 1,030 as of the 2010 census.