Area Code 248-276 located in PONTIAC, OAKLAND, MI, more detail is as below. Place NPA (Numbering Plan Area) : 248 NXX (Local Number Prefix) : 276 City : PONTIAC 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 : PONTIAC ZIP Code Count : 132 ZIP Code Frequency : 19 ZIP Code : 48340 Other Information NPANXX : 248276 County Population : 0 Switch CLLI (Common Language Location Identifier) : PNTCMINEDS0 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 : PONTIAC Latitude : 42.6781 Longitude : -83.2245 ‹ previous : 248-275 next › : 248-276 Telephone Number List 248-276-0000 ~ 248-276-9999