Area Code 248-220 located in HOLLY, OAKLAND, MI, more detail is as below. Place NPA (Numbering Plan Area) : 248 NXX (Local Number Prefix) : 220 City : HOLLY County : OAKLAND State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-05-10 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 : 48442 Other Information NPANXX : 248220 County Population : 0 Switch CLLI (Common Language Location Identifier) : SFLDMI48DS0 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 : TALK AMERICA INC. - MI OCN (Operating Company Number) : 1200 Coverage Area Name : BIRMINGHAM Latitude : 42.5417 Longitude : -83.2200 ‹ previous : 248-219 next › : 248-222 Telephone Number List 248-220-0000 ~ 248-220-9999