Area Code 248-633 located in FRANKLIN, OAKLAND, MI, more detail is as below. Place NPA (Numbering Plan Area) : 248 NXX (Local Number Prefix) : 633 City : FRANKLIN County : OAKLAND State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1998-05-18 FIPS (Federal Information Processing Standards) : 26125 LATA (Local Access Transport Area) : 340 Rate Center : BIRMINGHAM ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 48025 Other Information NPANXX : 248633 County Population : 0 Switch CLLI (Common Language Location Identifier) : SFLDMIDICA0 MSA CBSA (Core Based Statistical Area) : Detroit-Warren-Livonia, MI MSA CBSA Code (Core Based Statistical Area) : 19820 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC. - MI OCN (Operating Company Number) : 2550 Coverage Area Name : DETROIT Latitude : 42.4486 Longitude : -83.2524 ‹ previous : 248-632 next › : 248-634 Telephone Number List 248-633-0000 ~ 248-633-9999