Prefix 317-660 — Carmel, IN

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

Area code
317
Prefix (NXX)
660
Rate center
Carmel
State
Indiana
Time zone
Eastern
Code holder
LEVEL 3 TELECOM OF INDIANA, LP - IN
OCN
7060
Pooled
Yes (thousands-block pooling)
Assigned
2006-01-26
LATA
336

A phone number starting 317-660 was issued in the Carmel rate center of IN — part of area code 317.

NANPA's central-office code records list LEVEL 3 TELECOM OF INDIANA, LP - IN (OCN 7060) as the code holder, assigned January 26, 2006. Because 317-660 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

A scammer can display 317-660 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.

Carmel 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

Prefixes adjacent to 317-660
PrefixRate centerCode holder
317-657 Indianapolis OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
317-658 Indianapolis OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
317-659 Fairland BANDWIDTH.COM CLEC, LLC - IN
317-661 Indianapolis OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
317-662 Indianapolis OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
317-663 Carmel PAETEC ITEL, LLC

FAQ

Where is 317-660 located?

The prefix is assigned to the Carmel rate center in IN, area code 317. It is part of the Indianapolis-Carmel-Greenwood, IN Metropolitan Statistical Area.

Which company owns 317-660 numbers?

LEVEL 3 TELECOM OF INDIANA, LP - 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 317-660 safe to answer?

The prefix itself says nothing about the caller. Legitimate Carmel businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.