317 Area CodeIndianapolis, IN
Area code 317 covers Indianapolis and nearby communities in Indiana, in the Eastern Time (ET) zone, home to about 1.7 million people across 56 cities. It overlays 463, so the same region uses both and every local call needs all ten digits.
Overview
- Major City
- Indianapolis
- State
- Indiana (IN)
- Timezone
- Eastern Time (ET)
- Current Time
- Overlay
- Yes – shares area with 463
Where is area code 317?
Area code 317 serves part of Indianapolis, IN and the surrounding areas. It has a single overlay (463) that serves the same area.
Overview of the 317 Area Code
What is the 317 area code?
The 317 area code serves Indianapolis, Indiana, alongside other established area codes. When you see a 317 number, it indicates a local number within this geographic area.
Why was area code 317 created?
The 317 area code was introduced as an overlay to add numbers in Indianapolis once the existing area code 463 began to run out of available prefixes. It added a new supply of numbers without requiring current residents to change their existing digits.
Geographic Coverage of the 317 Area Code
The 317 area code serves Indianapolis and surrounding areas in Indiana. It operates within the Eastern Time (ET) time zone. It complements the coverage of area code 463. This area code covers several key cities, including:
- Indianapolis
- Fishers
- Carmel
- Noblesville
- Greenwood
- Westfield
Got a call from a 317 number? It came from Indianapolis, IN. Since 317 overlays with 463, every local call in the region needs all ten digits to land on the right line. Inside 317, Indianapolis holds about 49% of the population; the rest is split across 55 smaller cities.
Indianapolis Area Codes Overview
Indianapolis is served by multiple area codes, reflecting its telecommunications needs. The 317 area code operates alongside 463. Here are the area codes serving this region:
The introduction of the 317 area code helped prevent number exhaustion, ensuring a continuous supply of phone numbers across the geographic area.
What cities does area code 317 cover?
| City | State | Population | % of Area Code | % of City |
|---|---|---|---|---|
| Indianapolis | IN | 820,445 | 16% | 100% |
| Fishers | IN | 103,986 | 2% | 100% |
| Carmel | IN | 103,606 | 2% | 100% |
| Noblesville | IN | 75,239 | 1% | 100% |
| Greenwood | IN | 68,175 | 1% | 100% |
| Westfield | IN | 62,994 | 1% | 100% |
| Lawrence | IN | 49,817 | 1% | 100% |
| Plainfield | IN | 37,796 | 1% | 100% |
| Brownsburg | IN | 33,430 | 0% | 100% |
| Zionsville | IN | 33,161 | 0% | 100% |
* Sources: Population – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). Area code assignments – NANPA CO Code data. See our data methodology.
Has area code 317 been reported for unwanted calls?
Yes – 669 unwanted-call complaints were reported to the FTC for numbers showing a 317 area code (May 29 – Jul 2, 2026).
- 57% robocalls
- ↑ 10% vs prior period
Most-reported subjects
- Other37%245
- Calls pretending to be government, businesses, or family and friends29%195
- Medical & prescriptions14%91
* Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints. Source: FTC Do Not Call (DNC) Reported Calls Data, retrieved 2026-07-05.
Which prefixes and exchanges belong to area code 317?
78% assigned to a telco
- 72% Landline
- 28% Wireless
- 0% Unknown
| Prefix | Usage | Carrier |
|---|---|---|
| (317)200- | Wireless | Sprint Spectrum |
| (317)201- | Wireless | Sprint Spectrum |
| (317)202- | Landline | Indiana Bell Tel Co |
| (317)203- | Landline | Choice One Comm In |
| (317)204- | Landline | Teleport Communications America |
| (317)205- | Landline | Indiana Bell Tel Co |
| (317)206- | Wireless | Usa Mobility Wireless |
| (317)207- | Landline | Level 3 Communications |
| (317)208- | Landline | Indiana Bell Tel Co |
| (317)209- | Landline | Indiana Bell Tel Co |
Frequently Asked Questions about the 317 Area Code
Who called me from a 317 number?
A 317 number is assigned to Indianapolis, Indiana, so a call may come from there. But caller ID is easy to fake, and scammers often spoof a local 317 code to look nearby, so a 317 number doesn't prove the caller is local. Recently, 669 unwanted-call complaints were reported to the FTC for numbers showing the 317 code (57% flagged as robocalls). If you don't recognize the number, let it go to voicemail; a real caller will leave a message.
Is 317 a scam area code?
No area code is a scam on its own. 317 is a normal, officially assigned code for Indianapolis, Indiana. Spam callers spoof local codes to raise the odds you answer, so 317 on your caller ID says nothing about who is really calling. Recently, 669 unwanted-call complaints were reported to the FTC for numbers showing the 317 code (57% flagged as robocalls). Judge the call itself, not the area code.
Why do I keep getting calls from the 317 area code?
Repeated calls from different 317 numbers are usually spoofing: a robocaller rotates through 317 numbers so each call looks local and slips past simple blocks. Recently, 669 unwanted-call complaints were reported to the FTC for numbers showing the 317 code (57% flagged as robocalls). Blocking one number rarely helps; voicemail screening, your carrier spam filter, and the Do Not Call Registry work better.
Should I answer an unknown 317 number?
If you aren't expecting a 317 call, let it ring to voicemail. Legitimate callers leave a message, most robocallers hang up when no one picks up, and answering can mark your number as active and bring more calls.
How do I block calls from the 317 area code?
Block a single 317 number from your recent-calls list (iPhone: tap the number, then Block this Caller; Android: tap the number, then Block or report spam). To cut the volume, turn on Silence Unknown Callers on iPhone or spam protection on Android, enable spam filtering from your carrier, and register at DoNotCall.gov. Blocking the entire 317 code also stops legitimate local calls, so use it only as a last resort.
Where is area code 317?
Area code 317 covers Indianapolis and the surrounding area in Indiana, spanning 56 cities with about 1,659,532 residents. It shares its area with overlay code 463.
Is 317 a real area code?
Yes. 317 is an active code in the North American Numbering Plan, assigned by NANPA and in service for Indianapolis, Indiana. A real code can still show up on spoofed spam calls, so treat unknown 317 calls with normal caution.
What timezone is the 317 area code in?
The 317 area code is in the Eastern Time (ET). Because a number can be kept when someone moves or switches to VoIP, a specific 317 caller may not be in that zone.
How do I call a 317 number from abroad?
From outside the US, dial your country's exit code, then 1 (the US country code), then 317 and the seven-digit number. From a mobile phone you can usually just enter +1 317 followed by the number and let the phone add the exit code for you.