Prefix 317-671 — Indianapolis, IN

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

Area code
317
Prefix (NXX)
671
Rate center
Indianapolis
State
Indiana
Time zone
Eastern
Code holder
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN
OCN
6725
Pooled
Yes (thousands-block pooling)
Assigned
2012-10-01
LATA
336

A phone number starting 317-671 was issued in the Indianapolis rate center of IN — part of area code 317.

NANPA's central-office code records list CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN (OCN 6725) as the code holder, assigned October 1, 2012. Because 317-671 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.

A scammer can display 317-671 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 317-671
PrefixRate centerCode holder
317-668 Franklin OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
317-669 Carmel LEVEL 3 TELECOM OF INDIANA, LP - IN
317-670 Indianapolis CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN
317-672 Indianapolis COMCAST IP PHONE, LLC
317-673 Indianapolis INDIANA BELL TEL CO INC
317-674 Noblesville PAETEC ITEL, LLC

FAQ

Where is 317-671 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 317-671 numbers?

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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 317-671 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.