Prefix 317-618 — Indianapolis, IN

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

Area code
317
Prefix (NXX)
618
Rate center
Indianapolis
State
Indiana
Time zone
Eastern
Code holder
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN
OCN
6725
Pooled
Yes (thousands-block pooling)
Assigned
2016-10-17
LATA
336

Numbers in the 317-618 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 (317-618-XXXX) and pins the number to a billing locality.

NANPA's central-office code records list CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN (OCN 6725) as the code holder, assigned October 17, 2016. Because 317-618 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 317-618
PrefixRate centerCode holder
317-615 Indianapolis INDIANA BELL TEL CO INC
317-616 Indianapolis MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IN
317-617 Indianapolis CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN
317-619 Indianapolis CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN
317-620 New Palestine LEVEL 3 COMMUNICATIONS, LLC - IN
317-621 Fishers INDIANA BELL TEL CO INC

FAQ

Where is 317-618 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 317-618 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 317-618 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.