Lookup › Area code 317
317 Area Code — Indianapolis, IN
Area code 317 serves Indianapolis, IN.
Most looked-up 317 numbers
Phone prefixes in 317
Carriers serving 317
- At&t (3 numbers)
- T-Mobile (1 numbers)
- Twilio (1 numbers)
- Onvoy, LLC In (1 numbers)
- Bright House Ntws Information (1 numbers)
Frequently asked questions
Where is area code 317?
Area code 317 serves Indianapolis, IN.
What prefixes are in area code 317?
Phone2.io tracks 8 phone prefixes in area code 317, with carrier and spam-report data on individual numbers.
More about area code 317
Area code 317 overview, history, and local numbers · Get a IN phone number
Last updated: April 18, 2026