Area Code 313-204 located in REDFORD, WAYNE, MI, more detail is as below. Place NPA (Numbering Plan Area) : 313 NXX (Local Number Prefix) : 204 City : REDFORD County : WAYNE State : MI (Michigan) NXX Use Type : Wireless NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 26163 LATA (Local Access Transport Area) : 340 Rate Center : DETROITZN5 ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 48240 Other Information NPANXX : 313204 County Population : 0 Switch CLLI (Common Language Location Identifier) : BTWOMIBICM1 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 : NEW CINGULAR WIRELESS PCS, LLC - IL OCN (Operating Company Number) : 6534 Coverage Area Name : DETROIT Latitude : 42.4258 Longitude : -83.2493 ‹ previous : 313-203 next › : 313-204 Telephone Number List 313-204-0000 ~ 313-204-9999