Prefix 317-653 — Indianapolis, IN

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

Area code
317
Prefix (NXX)
653
Rate center
Indianapolis
State
Indiana
Time zone
Eastern
Code holder
LEVEL 3 COMMUNICATIONS, LLC - IN
OCN
4803
Pooled
Yes (thousands-block pooling)
Assigned
2013-06-21
LATA
336

A phone number starting 317-653 was issued in the Indianapolis rate center of IN — part of area code 317.

NANPA's central-office code records list LEVEL 3 COMMUNICATIONS, LLC - IN (OCN 4803) as the code holder, assigned June 21, 2013. Because 317-653 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

A scammer can display 317-653 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

Prefixes adjacent to 317-653
PrefixRate centerCode holder
317-650 Indianapolis CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN
317-651 Indianapolis INDIANA BELL TEL CO INC
317-652 Indianapolis OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
317-654 Indianapolis OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
317-655 Indianapolis INDIANA BELL TEL CO INC
317-656 Indianapolis INDIANA BELL TEL CO INC

FAQ

Where is 317-653 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 317-653 numbers?

LEVEL 3 COMMUNICATIONS, 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 317-653 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.