Prefix 317-378 — Indianapolis, IN
- Area code
- 317
- Prefix (NXX)
- 378
- Rate center
- Indianapolis
- State
- Indiana
- Time zone
- Eastern
- Code holder
- PAETEC ITEL, LLC
- OCN
- 829J
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2011-03-17
- LATA
- 336
The 317-378 prefix belongs to area code 317 and is anchored to the Indianapolis rate center (IN). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Indianapolis is part of the Indianapolis-Carmel-Greenwood, IN Metropolitan Statistical Area. For routing purposes it sits in LATA 336. Numbers here keep Eastern time.
Code-holder of record: PAETEC ITEL, LLC (OCN 829J), assigned March 17, 2011. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 317-378 numbers may be served by different companies.
Caller ID showing 317-378 is not proof the call came from Indianapolis: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 317-375 | Indianapolis | INDIANA BELL TEL CO INC |
| 317-376 | Cicero | LEVEL 3 COMMUNICATIONS, LLC - IN |
| 317-377 | Indianapolis | INDIANA BELL TEL CO INC |
| 317-379 | Noblesville | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 317-380 | Indianapolis | SPOK, INC. |
| 317-381 | Indianapolis | INDIANA BELL TEL CO INC |
FAQ
Where is 317-378 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 317-378 numbers?
PAETEC ITEL, 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 317-378 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.