Area code
Area code 317 — Indianapolis, IN
Indiana · in service since 1947
Area code 317 covers Indianapolis, IN. It is an overlay: 463 serves the same area, so neighbors can have different area codes.
Overlay, same area: 463
Local time in Indianapolis
Spam reports from Sep 23 – Oct 22, 2026
High #97 of 461 codes
720 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes800 assigned
- Runs out~2Q 2058
- Unwanted call?Block & report
Spam call reports about 317 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 66 |
| Sep 14 | 230 |
| Sep 21 | 288 |
| Sep 28 | 111 |
| Oct 5 | 92 |
| Oct 12 | 119 |
| Oct 19 (4 days) | 139 |
Compared with all codes
- Robocalls
- 72%all codes 75%
- Callers with the same code
- 79%all codes 35%
- Rank by complaints
- #97of 461 · top quarter
- FCC complaints, Oct 2025 – Sep 2026
- 11521 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Calls pretending to be government, businesses, or family and friends | 157 15% | |
| Medical & prescriptions | 114 11% | |
| Dropped call or no message | 87 8% | |
| Reducing your debt (credit cards, mortgage, student loans) | 60 6% | |
| Home improvement & cleaning | 11 1% | |
| Lotteries, prizes & sweepstakes | 10 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Indiana | 858 82% | |
| Florida | 29 3% | |
| California | 18 2% | |
| Ohio | 17 2% | |
| Illinois | 16 2% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 317 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| INDIANAPLS | Indianapolis | Marion County | 509 |
| CARMEL | Carmel | Hamilton County | 43 |
| FISHERS | Fishers | Hamilton County | 34 |
| GREENWOOD | Greenwood | Johnson County | 22 |
| NOBLESVL | Noblesville | Hamilton County | 16 |
| GREENFIELD | Greenfield | Hancock County | 14 |
| PLAINFIELD | Plainfield | Hendricks County | 14 |
| FRANKLIN | Franklin | Johnson County | 12 |
| SHELBYVL | Shelbyville | Shelby County | 12 |
| BROWNSBURG | Brownsburg | Hendricks County | 7 |
Plus 26 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Indiana
- Assigned by NANPA
- 1947
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-496, PL-482
Source: NANPA, NPA database of Oct 24, 2026.
Is 317 running out of numbers?
Previous forecast (October 2025): 2054, moved later by 4 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 317 prefixes
The five largest of 33 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Indiana Bell Tel Co. Inc. | 297 37% | |
| Omnipoint Communications Midwest Operations, LLC | 80 10% | |
| Verizon Wireless | 80 10% | |
| New Cingular Wireless PCS, LLC | 65 8% | |
| Level 3 Communications, LLC | 35 4% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 317
What area code is 317?
An Indiana area code, in service since 1947.
Where is 317 area code, and what time zone is it in?
Indianapolis, IN; Eastern Time.
Why am I getting spam calls from 317?
720 FTC complaints from Sep 23 – Oct 22, 2026, most often about impostors (not verified by the FTC; caller ID can be spoofed).
Will 317 get a new area code?
NANPA forecasts exhaust in 2Q 2058; no relief planning listed.