Area Code 248-242 located in DETROIT, WAYNE, MI, more detail is as below. Place NPA (Numbering Plan Area) : 248 NXX (Local Number Prefix) : 242 City : DETROIT County : WAYNE State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 26163 LATA (Local Access Transport Area) : 340 Rate Center : COMMERCE ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 48235 Other Information NPANXX : 248242 County Population : 0 Switch CLLI (Common Language Location Identifier) : SFLDMIBVDS0 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 : TELEPORT COMMUNICATIONS AMERICA, LLC - MI OCN (Operating Company Number) : 770E Coverage Area Name : DETROIT Latitude : 42.4770 Longitude : -83.2437 ‹ previous : 248-241 next › : 248-242 Telephone Number List 248-242-0000 ~ 248-242-9999