Area Code 248-251 located in TROY, OAKLAND, MI, more detail is as below. Place NPA (Numbering Plan Area) : 248 NXX (Local Number Prefix) : 251 City : TROY County : OAKLAND State : MI (Michigan) NXX Use Type : Wireless NXX Intro Version : 2/14/2008 FIPS (Federal Information Processing Standards) : 26125 LATA (Local Access Transport Area) : 340 Rate Center : TROY ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 48084 Other Information NPANXX : 248251 County Population : 0 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI OCN (Operating Company Number) : 6003 Coverage Area Name : TROY Latitude : 42.5591 Longitude : -83.1260 ‹ previous : 248-250 next › : 248-252 Telephone Number List 248-251-0000 ~ 248-251-9999