Prefix 317-672 — Indianapolis, IN

NANPA CO code assignment, current as of July 28, 2026.

Area code
317
Prefix (NXX)
672
Rate center
Indianapolis
State
Indiana
Time zone
Eastern
Code holder
COMCAST IP PHONE, LLC
OCN
318J
Pooled
Yes (thousands-block pooling)
Assigned
2013-06-27
LATA
336

Numbers in the 317-672 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 (317-672-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list COMCAST IP PHONE, LLC (OCN 318J) as the code holder, assigned June 27, 2013. Because 317-672 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

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

Prefixes adjacent to 317-672
PrefixRate centerCode holder
317-669 Carmel LEVEL 3 TELECOM OF INDIANA, LP - IN
317-670 Indianapolis CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN
317-671 Indianapolis CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN
317-673 Indianapolis INDIANA BELL TEL CO INC
317-674 Noblesville PAETEC ITEL, LLC
317-675 Indianapolis MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN

FAQ

Where is 317-672 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 317-672 numbers?

COMCAST IP PHONE, 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 317-672 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.