North American Numbers Source-cited · ownership disclosed
Area code
812
In service
United States · since 1947

Evansville

One of the original 1947 North American area codes, covering the southern third of Indiana, including Evansville, Bloomington, and Terre Haute. Since 2015 it has been overlaid by area code 930.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Evansville
Type
geographic
Status
in service
In service since
1947
Projected exhaust
2073 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 812 is

Southern third of Indiana (28 counties entirely plus 11 partial), and a small part of Henderson County, Kentucky near Evansville..

Communities served wholly or partly by 812:

EvansvilleBloomingtonTerre HauteColumbusSeymourBedfordJasperVincennesJeffersonvilleMadison

Includes Indiana portions of the Louisville and Cincinnati metro areas.

B · Relationships

How it relates to other codes

The codes 812 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?

Overlay · 2015 930 Evansville (overlay) All-services overlay of the 812 area to address prefix exhaustion.
What's changing. Overlaid with 930 since 2015; ten-digit dialing mandatory.
C · History

How 812 got here

1947
Area code 812 established as one of the original NANP codes, assigned to southern Indiana.
Source: Wikipedia
2015-02-07
Mandatory ten-digit dialing implemented ahead of the 930 overlay.
Source: Wikipedia
2015-03-07
First 930 numbers became available.
Source: Wikipedia
D · Capacity

How full it is

Prefixes assigned
800
Prefixes available
0
Thousands-blocks assigned
3,362

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

Compare 812 with another code →
Sources
Wikipedia ↗
Area code 812
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.