Prefix 317-550 — Indianapolis, IN
- Area code
- 317
- Prefix (NXX)
- 550
- Rate center
- Indianapolis
- State
- Indiana
- Time zone
- Eastern
- Code holder
- BANDWIDTH.COM CLEC, LLC - IN
- OCN
- 105F
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2010-09-17
- LATA
- 336
The 317-550 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: BANDWIDTH.COM CLEC, LLC - IN (OCN 105F), assigned September 17, 2010. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 317-550 numbers may be served by different companies.
Caller ID showing 317-550 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 |
|---|---|---|
| 317-547 | Indianapolis | INDIANA BELL TEL CO INC |
| 317-548 | West Newton | PAETEC ITEL, LLC |
| 317-549 | Indianapolis | INDIANA BELL TEL CO INC |
| 317-551 | Indianapolis | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC |
| 317-552 | Indianapolis | BANDWIDTH.COM CLEC, LLC - IN |
| 317-553 | Indianapolis | AMERICAN MESSAGING SERVICES, LLC |
FAQ
Where is 317-550 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 317-550 numbers?
BANDWIDTH.COM CLEC, LLC - IN 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 317-550 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.