Area Code 248-430 located in FRANKLIN, OAKLAND, MI, more detail is as below. Place NPA (Numbering Plan Area) : 248 NXX (Local Number Prefix) : 430 City : FRANKLIN County : OAKLAND State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1997-07-06 FIPS (Federal Information Processing Standards) : 26125 LATA (Local Access Transport Area) : 340 Rate Center : BIRMINGHAM ZIP Code Count : 1 ZIP Code Frequency : 17 ZIP Code : 48025 Other Information NPANXX : 248430 County Population : 0 Switch CLLI (Common Language Location Identifier) : SFLDMIQJDS1 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 : MCI WORLDCOM COMMUNICATIONS, INC. - MI OCN (Operating Company Number) : 7279 Coverage Area Name : SOUTHFIELD Latitude : 42.4486 Longitude : -83.2524 ‹ previous : 248-429 next › : 248-430 Telephone Number List 248-430-0000 ~ 248-430-9999