Area Code 317-273 located in AVON, HENDRICKS, IN, more detail is as below. Place NPA (Numbering Plan Area) : 317 NXX (Local Number Prefix) : 273 City : AVON County : HENDRICKS State : IN (Indiana) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 18063 LATA (Local Access Transport Area) : 336 Rate Center : INDIANAPLS ZIP Code Count : 77 ZIP Code Frequency : 13 ZIP Code : 46123 Other Information NPANXX : 317273 County Population : 0 Switch CLLI (Common Language Location Identifier) : IPLSIN18DS0 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 : 39.7806 Longitude : -86.3285 ‹ previous : 317-273 next › : 317-273 Telephone Number List 317-273-0000 ~ 317-273-9999