What area code is 317?
Here's everything about it.
Instant lookup for the 317 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
317 at a glance
Summary
Cities & regions served by 317
Indianapolis10 communities on record for 317.
Where 317 sits on the map
Overlay: 463Coverage area
About the 317 region
317 covers Indianapolis in Indiana, including Fishers, Noblesville, Westfield, Greenwood and Mooresville. The code has been in service since 1947 and is one of the original North American area codes.
As the Indianapolis region grew, 317 ran low on available numbers, so 463 was added as an overlay code over the same geographic area. Both codes are local to each other and 10-digit dialing applies throughout.
1948: split to create 219; 1997: split to create 765; 2016: overlaid by 463.
Who called me from 317?
Community reports- Caller ID is trivially spoofed: an incoming call that displays 317 does not prove the caller is really in the 317 region or even in the United States.
- Avoid calling back unknown one-ring numbers — some premium-rate scams rely on curiosity callbacks.
- Never share verification codes, payment details, or remote access during an unsolicited call, even if the caller claims to be your bank or a government agency.
- When a 317 call pressures you to act immediately, hang up and contact the organization directly through its official number.
Be the first to add a community report for a 317 number below.
Frequently asked questions
FAQWhat area code is 317?+–
317 is a telephone area code serving Indianapolis in Indiana, United States, in service since 1947.
Where is area code 317 located?+–
It covers Fishers, Noblesville, Westfield, Greenwood and Mooresville in Indiana.
What cities are in area code 317?+–
Major communities on record include Fishers, Noblesville, Westfield, Greenwood and Mooresville, among others. The code's territory spans the Indianapolis region of Indiana.
What time zone is 317?+–
317 observes Eastern (ET), which is UTC−5 / −4 DST and follows daylight saving time.
When did area code 317 start?+–
317 entered service in 1947 as one of the original 1947 North American area codes. Its history: 1948: split to create 219; 1997: split to create 765; 2016: overlaid by 463.
Why do calls to 317 require 10-digit dialing?+–
317 shares its territory with overlay code 463. Because both codes serve the same geographic area, the phone network needs all 10 digits to route a call, and calls between the codes are still local.
Is 317 a scam area code?+–
Scam and robocall traffic can use any North American code, 317 included — caller ID is easy to spoof, so the code alone does not tell you who is really calling. Check the community reports on this page before calling back an unknown 317 number, and report anything suspicious.
Can I get a 317 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 317 number regardless of where you physically live.