Area Code 248-305 located in NOVI, OAKLAND, MI, more detail is as below. Place NPA (Numbering Plan Area) : 248 NXX (Local Number Prefix) : 305 City : NOVI 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 : NORTHVILLE ZIP Code Count : 401 ZIP Code Frequency : 35 ZIP Code : 48375 Other Information NPANXX : 248305 County Population : 0 Switch CLLI (Common Language Location Identifier) : NRVLMIMNDS0 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 : NORTHVILLE Latitude : 42.4387 Longitude : -83.4844 ‹ previous : 248-304 next › : 248-305 Telephone Number List 248-305-0000 ~ 248-305-9999