317 Area Code — Indianapolis, IN
Area code 317 serves Indianapolis and 3 other cities in Indiana. Local time follows America/New_York. It overlays with 463, so 10-digit dialling is required.
- State
- Indiana
- Primary city
- Indianapolis
- Timezone
- America/New_York
- In service since
- 1947
- Type
- Geographic
- Overlay codes
- 463
Cities Served by 317
The 317 area code covers 4 cities and communities in Indiana.
- Indianapolis
- Carmel
- Fishers
- Greenwood
About Area Code 317
Area code 317 is a North American Numbering Plan (NANP) area code that has been in service since 1947. It is administered by NANPA on behalf of the FCC and serves the Indiana region anchored on Indianapolis.
317 now shares its territory with an overlay code (463). 10-digit dialling is required for local calls within this region because the same 7-digit number can be assigned under either code.
Mobile numbers in 317 are portable: a person who moved away from Indianapolis may still carry a 317 mobile number on their device. If you receive an unexpected call from a 317 number, run it through the reverse lookup tool above for the most accurate, free identification.
If you live or do business in Indiana, you may also interact with neighbouring or overlay codes (463). See the related codes section below to explore the rest of Indiana.
Other Indiana Area Codes
Continue exploring the Indiana numbering plan.
317 Area Code FAQ
Where is area code 317?
Area code 317 is located in Indiana, primarily serving Indianapolis and surrounding cities including Carmel, Fishers, Greenwood. The region operates on ET (America/New_York) time.
What state is 317 area code?
317 is a Indiana area code. It was put into service in 1947 and shares its geographic footprint with overlay code 463.
Is 317 a scam area code?
317 is a legitimate North American area code allocated by NANPA to Indiana. Like any geographic area code, scammers sometimes spoof 317 numbers — judge each call by content (urgent demands, unfamiliar transfers) rather than the area code alone. Run the specific number through our reverse lookup if you're unsure.
What time zone does 317 use?
Area code 317 operates on ET (America/New_York). Numbers in this area code follow standard Indiana time-zone rules including any daylight-saving transitions for that region.
Can I look up a specific 317 phone number?
Yes. Use the reverse lookup widget above to enter a full 317 number. NumLocation returns the line type (mobile, landline, VoIP), carrier, rate-center city, and any public listings tied to the number — free.
What's the difference between 317 and 463?
317 and 463 cover the same Indiana geographic area as overlay codes. Calls between them are local, but you must dial all 10 digits. New phone numbers in this region are assigned from either pool depending on what's available with the carrier at signup.