About this number
(231) 421 is a landline based telephone number operated by Charter Fiberlink - Michigan, and is located in zip code 49022 in the city of Benton Harbor, Michigan, which is in Berrien County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 231 and Network Numbering Exchange (NXX - also known as a prefix) of 421. It has an Operating Company Number (OCN) of 351D. A Common Language Location Identifier (CLLI) of BNHRMICCXMD. As well as a Local access and transport area (LATA) of 348. It was first assigned for usage on 02/20/2002. Zip code 49022 has a population of 31,814 as of the 2010 census.