Area Code 248-441 located in ROCHESTER, OAKLAND, MI, more detail is as below. Place NPA (Numbering Plan Area) : 248 NXX (Local Number Prefix) : 441 City : ROCHESTER County : OAKLAND State : MI (Michigan) NXX Use Type : Wireless NXX Intro Version : 2000-06-13 FIPS (Federal Information Processing Standards) : 26125 LATA (Local Access Transport Area) : 340 Rate Center : AUBURN HTS ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 48309 Other Information NPANXX : 248441 County Population : 0 Switch CLLI (Common Language Location Identifier) : CMPTMIIFCM0 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 : AMERICAN MESSAGING (AM), INC. OCN (Operating Company Number) : 9748 Coverage Area Name : AUBURN HILLS Latitude : 42.6348 Longitude : -83.2237 ‹ previous : 248-441 next › : 248-442 Telephone Number List 248-441-0000 ~ 248-441-9999