Area Code 317-390 located in GREENWOOD, JOHNSON, IN, more detail is as below. Place NPA (Numbering Plan Area) : 317 NXX (Local Number Prefix) : 390 City : GREENWOOD County : JOHNSON State : IN (Indiana) NXX Use Type : Landline NXX Intro Version : 1995-07-04 FIPS (Federal Information Processing Standards) : 18081 LATA (Local Access Transport Area) : 336 Rate Center : INDIANAPLS ZIP Code Count : 2 ZIP Code Frequency : 6 ZIP Code : 46142 Other Information NPANXX : 317390 County Population : 0 Switch CLLI (Common Language Location Identifier) : IPLSIN08DS0 MSA CBSA (Core Based Statistical Area) : Indianapolis-Carmel, IN MSA CBSA Code (Core Based Statistical Area) : 26900 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : AMERITECH INDIANA OCN (Operating Company Number) : 9325 Coverage Area Name : INDIANAPOLIS Latitude : 39.7554 Longitude : -86.2445 ‹ previous : 317-390 next › : 317-390 Telephone Number List 317-390-0000 ~ 317-390-9999