About this number
(231) 427 is a landline based telephone number operated by Sbc Internet Services, Inc. and is located in the city of Mackinawcy, Michigan 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 427. It has an Operating Company Number (OCN) of 516C. A Common Language Location Identifier (CLLI) of GDRPMIBL07Z. As well as a Local access and transport area (LATA) of 348. It was first assigned for usage on 08/17/2011.