North American Numbers Source-cited · ownership disclosed
Area code
765
In service
United States · since 1997

Central Indiana (outside Indianapolis)

Serves a horseshoe-shaped region of central Indiana surrounding, but excluding, the Indianapolis metro. It was Indiana's first new area code in 49 years, split from 317 in 1997.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Central Indiana (outside Indianapolis)
Type
geographic
Status
in service
In service since
1997
Projected exhaust
2032 Q1

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 765 is

Central Indiana outside Indianapolis: 19 entire counties and 18 partial counties forming a horseshoe around the 317/463 area..

Communities served wholly or partly by 765:

AndersonKokomoLafayetteMuncieRichmondWest LafayetteMarionCrawfordsvilleNew CastleConnersville

Many counties are only partially in 765; the region wraps around the Indianapolis 317/463 area.

B · Relationships

How it relates to other codes

The codes 765 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Split from · 1997 317 Indianapolis Split from 317 on Feb 1, 1997; Indianapolis kept 317 while the rest of central Indiana received 765.
What's changing. Not overlaid (single code).
C · History

How 765 got here

1997-02-01
Area code 765 split from 317, taking central Indiana outside the greater Indianapolis area; Indiana's first new area code in 49 years.
Source: Wikipedia
D · Capacity

How full it is

Prefixes assigned
746
Prefixes available
54
Thousands-blocks assigned
3,328

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 765 with another code →
Sources
Wikipedia ↗
Area code 765
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.