Area Code 313-201 located in DETROIT, WAYNE, MI, more detail is as below. Place NPA (Numbering Plan Area) : 313 NXX (Local Number Prefix) : 201 City : DETROIT County : WAYNE State : MI (Michigan) NXX Use Type : Wireless NXX Intro Version : 1995-02-11 FIPS (Federal Information Processing Standards) : 26163 LATA (Local Access Transport Area) : 340 Rate Center : DETROITZN4 ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 48204 Other Information NPANXX : 313201 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 : DETROIT Latitude : 42.3903 Longitude : -83.1697 ‹ previous : 312-999 next › : 313-201 Telephone Number List 313-201-0000 ~ 313-201-9999