Marion County · Indiana
Indianapolis, IN area codes and time zone
Quick answer
Indianapolis is served by area code 317, keeps EST time (GMT-4), and sits in county FIPS 18097.
- Area code
- 317Within 25 miles of the city centre
- Time zone
- ESTAmerica/Indiana/Indianapolis
- UTC offset
- GMT-4EDT in summer
- County FIPS
- 18097Marion County
Dialling from and to Indianapolis
What this means when you pick up the phone.
Local calls inside 317 may still work on seven digits, but ten-digit dialling is the safe default everywhere in the country now. From abroad, dial +1 then the ten digits.
More on Indianapolis
Other reference data for this city.