Area Code 248-290 located in BIRMINGHAM, OAKLAND, MI, more detail is as below. Place NPA (Numbering Plan Area) : 248 NXX (Local Number Prefix) : 290 City : BIRMINGHAM County : OAKLAND State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 2000-10-31 FIPS (Federal Information Processing Standards) : 26125 LATA (Local Access Transport Area) : 340 Rate Center : BIRMINGHAM ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 48009 Other Information NPANXX : 248290 County Population : 0 Switch CLLI (Common Language Location Identifier) : SFLDMICWDS0 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 : LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI OCN (Operating Company Number) : 0975 Coverage Area Name : BIRMINGHAM Latitude : 42.5417 Longitude : -83.2200 ‹ previous : 248-289 next › : 248-291 Telephone Number List 248-290-0000 ~ 248-290-9999