Area Code 313-279 located in DETROIT, WAYNE, MI, more detail is as below. Place NPA (Numbering Plan Area) : 313 NXX (Local Number Prefix) : 279 City : DETROIT County : WAYNE State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 26163 LATA (Local Access Transport Area) : 340 Rate Center : DETROITZN4 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 48219 Other Information NPANXX : 313279 County Population : 0 Switch CLLI (Common Language Location Identifier) : SFLDMIMKDS0 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 : BROADWING COMMUNICATIONS, LLC - MI OCN (Operating Company Number) : 4088 Coverage Area Name : DETROIT Latitude : 42.4707 Longitude : -83.2778 ‹ previous : 313-279 next › : 313-280 Telephone Number List 313-279-0000 ~ 313-279-9999