Prefix 317-438 — Indianapolis, IN
- Area code
- 317
- Prefix (NXX)
- 438
- Rate center
- Indianapolis
- State
- Indiana
- Time zone
- Eastern
- Code holder
- AT&T ENTERPRISES, LLC
- OCN
- 516C
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2010-12-20
- LATA
- 336
Numbers in the 317-438 prefix are registered to the Indianapolis rate center in IN, inside area code 317. The prefix is the second block of a ten-digit US number (317-438-XXXX) and pins the number to a billing locality.
The assigned code holder is AT&T ENTERPRISES, LLC, operating company number 516C, assigned December 20, 2010. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
The rate center lies in the Indianapolis-Carmel-Greenwood, IN Metropolitan Statistical Area. The serving LATA is 336. Local time follows the Eastern zone.
Spoofing means this prefix on your screen doesn't guarantee a Indianapolis caller. Verify independently before trusting a request for money or data.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 317-435 | Indianapolis | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 317-436 | Fishers | LEVEL 3 COMMUNICATIONS, LLC - IN |
| 317-437 | Indianapolis | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 317-439 | Indianapolis | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN |
| 317-440 | Indianapolis | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 317-441 | Indianapolis | NEW CINGULAR WIRELESS PCS, LLC - IL |
FAQ
Where is 317-438 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 317-438 numbers?
AT&T ENTERPRISES, 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 317-438 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.