Cities in area code 317
Which places use area code 317? 36 rate centers in Indiana, the biggest being Indianapolis, Carmel, Fishers. Data below is NANPA's official prefix-to-rate-center mapping.
By numbering footprint the leading localities are Indianapolis, Carmel, Fishers, Greenwood, Noblesville, Plainfield, Greenfield and Franklin, and 27 smaller communities down to single-prefix localities. Prefix counts track lines in service, so the ranking is a reasonable proxy for where the code's subscribers actually are.
36 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.
32 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.
All of the code's territory keeps Eastern time.
Remember that people keep numbers when they relocate, so a 317 number is a where-it-was-issued fact, not a where-they-are fact.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| Indianapolis | 509 | Indianapolis-Carmel-Greenwood, IN | 317, 463, 765 |
| Carmel | 43 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Fishers | 34 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Greenwood | 22 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Noblesville | 16 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Plainfield | 14 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Greenfield | 14 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Franklin | 12 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Shelbyville | 12 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Brownsburg | 7 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Zionsville | 7 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Danville | 7 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Westfield | 7 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Cumberland | 7 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Mooresville | 6 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Cicero | 6 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Fairland | 6 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| West Newton | 6 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Oaklandon | 6 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Acton | 5 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Fortville | 4 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Whiteland | 4 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| New Palestine | 4 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Charlottesville | 3 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Maxwell | 3 | Indianapolis-Carmel-Greenwood, IN | 317 |
| McCordsville | 3 | Indianapolis-Carmel-Greenwood, IN | 317 |
| Sheridan | 3 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Bargersville | 2 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Lizton | 2 | Indianapolis-Carmel-Greenwood, IN | 317 |
| Trafalgar | 2 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Marietta | 2 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Whitestown | 2 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Clayton | 1 | (Indianapolis-Carmel-Anderson, IN Metropolitan Staistical Area) | 317, 463 |
| Pittsboro | 1 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Nineveh | 1 | Indianapolis-Carmel-Greenwood, IN | 317, 463 |
| Monrovia | 1 | Indianapolis-Carmel-Greenwood, IN | 317 |
FAQ
What is the biggest city in area code 317?
Indianapolis holds the most active prefixes (509), making it the code's largest numbering locality.
How many places does 317 cover?
36 rate centers in Indiana hold active 317 prefixes, from Indianapolis down to communities with a single prefix.
Does a 317 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.