Area Code 517-296 located in MONTGOMERY, BRANCH, MI, more detail is as below. Place NPA (Numbering Plan Area) : 517 NXX (Local Number Prefix) : 296 City : MONTGOMERY County : BRANCH State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 26023 LATA (Local Access Transport Area) : 346 Rate Center : MONTGOMERY ZIP Code Count : 18 ZIP Code Frequency : 90 ZIP Code : 49255 Other Information NPANXX : 517296 County Population : 0 Switch CLLI (Common Language Location Identifier) : MTGMMIXIRSA MSA CBSA (Core Based Statistical Area) : Coldwater, MI MSA CBSA Code (Core Based Statistical Area) : 17740 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER COMMUNICATIONS OF MICHIGAN, INC. OCN (Operating Company Number) : 4417 Coverage Area Name : MONTGOMERY Latitude : 41.7808 Longitude : -84.8059 ‹ previous : 517-296 next › : 517-299 Telephone Number List 517-296-0000 ~ 517-296-9999