765
Area code
Statusin service
Introduced1997-02-01
JurisdictionIN, US
Local dialing7D
Time zoneEastern
Last verified2026-09-17
Utilization 94.2% of assignable prefixes assigned
As of 09/17/2026
0%746 of ~792 assignable NXX values (200–999 excl. N11)100%
Prefix-level assignment does not equal number-level exhaustion; thousands-block pooling extends capacity. First assignment on record 2001-02-05, most recent 2026-09-14.
Area codes serve rate-center geographies, not municipal boundaries. “IN” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | INDIANA BELL TEL CO INC | 127 | 17% |
| 02 | NEW CINGULAR WIRELESS PCS, LLC - IL | 82 | 11% |
| 03 | FRONTIER NORTH, INC.. - IN | 79 | 10.6% |
| 04 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | 66 | 8.8% |
| 05 | LEVEL 3 COMMUNICATIONS, LLC - IN | 61 | 8.2% |
| 06 | ONVOY, LLC - IN | 38 | 5.1% |
| 07 | TELEPORT COMMUNICATIONS AMERICA, LLC - IN | 36 | 4.8% |
| 08 | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 36 | 4.8% |
| 09 | LEVEL 3 TELECOM OF INDIANA, LP - IN | 17 | 2.3% |
| 10 | TON80 COMMUNICATIONS, LLC | 15 | 2% |
Important: these are initial assignees from NANPA CO-code records — the carrier a prefix was originally assigned to. Because of number portability, the current serving carrier of any individual number may differ.
Change history
Recorded events for this NPA- 1997-02-01Area code 765 entered service (created from 317).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 1996-09-03 | PL-009 ↗ | NANP-Split of 317 (Indiana) Numbering Plan Area (NPA) |