Area Code 248-538 located in BLOOMFIELD HILLS, OAKLAND, MI, more detail is as below. Place NPA (Numbering Plan Area) : 248 NXX (Local Number Prefix) : 538 City : BLOOMFIELD HILLS County : OAKLAND State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1998-08-14 FIPS (Federal Information Processing Standards) : 26125 LATA (Local Access Transport Area) : 340 Rate Center : W BLOOMFLD ZIP Code Count : 161 ZIP Code Frequency : 8 ZIP Code : 48302 Other Information NPANXX : 248538 County Population : 0 Switch CLLI (Common Language Location Identifier) : WBFDMIMNDS0 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 : AMERITECH MICHIGAN OCN (Operating Company Number) : 9323 Coverage Area Name : W BLOOMFIELD Latitude : 42.5360 Longitude : -83.3404 ‹ previous : 248-538 next › : 248-538 Telephone Number List 248-538-0000 ~ 248-538-9999