Area Code 313-274 located in ALLEN PARK, WAYNE, MI, more detail is as below. Place NPA (Numbering Plan Area) : 313 NXX (Local Number Prefix) : 274 City : ALLEN PARK 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 : DETROITZN6 ZIP Code Count : 130 ZIP Code Frequency : 3 ZIP Code : 48101 Other Information NPANXX : 313274 County Population : 0 Switch CLLI (Common Language Location Identifier) : DRBRMIDBDS0 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 : DEARBORN Latitude : 42.3027 Longitude : -83.2626 ‹ previous : 313-274 next › : 313-274 Telephone Number List 313-274-0000 ~ 313-274-9999