Area Code 231-834 located in GRANT, NEWAYGO, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 834 City : GRANT County : NEWAYGO State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 26123 LATA (Local Access Transport Area) : 348 Rate Center : GRANT ZIP Code Count : 2493 ZIP Code Frequency : 86 ZIP Code : 49327 Other Information NPANXX : 231834 County Population : 0 Switch CLLI (Common Language Location Identifier) : GRNTMIMNRSA MSA CBSA (Core Based Statistical Area) : Grand Rapids-Wyoming, MI MSA CBSA Code (Core Based Statistical Area) : 24340 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : AMERITECH MICHIGAN OCN (Operating Company Number) : 9323 Coverage Area Name : GRANT Latitude : 43.3356 Longitude : -85.8137 ‹ previous : 231-834 next › : 231-835 Telephone Number List 231-834-0000 ~ 231-834-9999