Prefix 317-397 — Indianapolis, IN
- Area code
- 317
- Prefix (NXX)
- 397
- Rate center
- Indianapolis
- State
- Indiana
- Time zone
- Eastern
- Code holder
- OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
- OCN
- 2964
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2010-07-14
- LATA
- 336
317-397 identifies a block of numbers in Indianapolis, IN, within the 317 area code. Every US prefix is tied to exactly one rate center; this one is Indianapolis.
The rate center lies in the Indianapolis-Carmel-Greenwood, IN Metropolitan Statistical Area. The serving LATA is 336. Local time follows the Eastern zone.
Treat the on-screen number as a hint, not evidence — 317-397 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
NANPA's central-office code records list OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC (OCN 2964) as the code holder, assigned July 14, 2010. Because 317-397 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 317-394 | Indianapolis | SPOK, INC. |
| 317-395 | Shelbyville | LEVEL 3 TELECOM OF INDIANA, LP - IN |
| 317-396 | Indianapolis | PAETEC ITEL, LLC |
| 317-398 | Shelbyville | INDIANA BELL TEL CO INC |
| 317-399 | Westfield | LEVEL 3 TELECOM OF INDIANA, LP - IN |
| 317-400 | Indianapolis | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
FAQ
Where is 317-397 located?
The prefix is assigned to the Indianapolis rate center in IN, area code 317. It is part of the Indianapolis-Carmel-Greenwood, IN Metropolitan Statistical Area.
Which company owns 317-397 numbers?
OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 317-397 safe to answer?
The prefix itself says nothing about the caller. Legitimate Indianapolis businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.