Prefix 317-775 — Indianapolis, IN

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

Area code
317
Prefix (NXX)
775
Rate center
Indianapolis
State
Indiana
Time zone
Eastern
Code holder
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN
OCN
6725
Pooled
Yes (thousands-block pooling)
Assigned
2010-03-09
LATA
336

317-775 identifies a block of numbers in Indianapolis, IN, within the 317 area code. Every US prefix is tied to exactly one rate center; this one is Indianapolis.

The rate center lies in the Indianapolis-Carmel-Greenwood, IN Metropolitan Statistical Area. The serving LATA is 336. Local time follows the Eastern zone.

Treat the on-screen number as a hint, not evidence — 317-775 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.

Code-holder of record: CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN (OCN 6725), assigned March 9, 2010. The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 317-775 numbers may be served by different companies.

Neighboring prefixes

Prefixes adjacent to 317-775
PrefixRate centerCode holder
317-772 Indianapolis OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
317-773 Noblesville INDIANA BELL TEL CO INC
317-774 Noblesville INDIANA BELL TEL CO INC
317-776 Noblesville INDIANA BELL TEL CO INC
317-777 Indianapolis OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC
317-778 Indianapolis NEW CINGULAR WIRELESS PCS, LLC - IL

FAQ

Where is 317-775 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 317-775 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 317-775 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.