Prefix 317-644 — Indianapolis, IN
- Area code
- 317
- Prefix (NXX)
- 644
- Rate center
- Indianapolis
- State
- Indiana
- Time zone
- Eastern
- Code holder
- ONVOY, LLC - IN
- OCN
- 097D
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2005-03-28
- LATA
- 336
A phone number starting 317-644 was issued in the Indianapolis rate center of IN — part of area code 317.
NANPA's central-office code records list ONVOY, LLC - IN (OCN 097D) as the code holder, assigned March 28, 2005. Because 317-644 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
A scammer can display 317-644 without ever touching IN. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
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.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 317-641 | Indianapolis | ONVOY, LLC - IN |
| 317-642 | Shelbyville | PAETEC ITEL, LLC |
| 317-643 | Indianapolis | BANDWIDTH.COM CLEC, LLC - IN |
| 317-645 | Noblesville | LEVEL 3 COMMUNICATIONS, LLC - IN |
| 317-646 | Indianapolis | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN |
| 317-647 | Sheridan | AT&T ENTERPRISES, LLC |
FAQ
Where is 317-644 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 317-644 numbers?
ONVOY, 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 317-644 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.