---
title: "Area code 812: Indiana, United States"
url: "https://lookvalid.com/area-code/812.md"
canonical_url: "https://lookvalid.com/area-code/812"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 812 serves Indiana, United States. Number formats, numbering rules, a live phone validator and the other codes in Indiana."
---

# Area code 812: Indiana, United States

Area code 812 serves Indiana, United States. Number formats, numbering rules, a live phone validator and the other codes in Indiana.

NANPA lists 784 central office codes (prefixes) in use in area code 812, held by 50 holders across 172 rate centers.
Indiana Bell Tel CO holds the most prefixes, 132 (17%). 73% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 2,523 complaints on file for 2,220 numbers in 812, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1947-01-01
- Time zone: EC
- Assigned overlays: 930 (2015-03-07)
- Prefixes in use: 784
- Pooled prefixes: 570 (73%)
- Rate centers: 172
- Companies holding prefixes: 50
- Assignment dates on file: 2001-02-15 to 2024-03-13 (289 prefixes)
- ZIP codes in its places: 171

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| EVANSVILLE | 86 | 11% |
| BLOOMINGTN | 50 | 6% |
| TERREHAUTE | 49 | 6% |
| NEW ALBANY | 32 | 4% |
| COLUMBUS | 28 | 4% |
| SEYMOUR | 22 | 3% |
| VINCENNES | 18 | 2% |
| JASPER | 17 | 2% |
| 164 other rate centers | 482 | 61% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Indiana Bell Tel CO | 132 | 17% |
| Frontier North | 102 | 13% |
| New Cingular Wireless PCS | 86 | 11% |
| Verizon Wireless | 80 | 10% |
| Level 3 Communications | 49 | 6% |
| Paetec Itel | 39 | 5% |
| 44 other carriers | 296 | 38% |

A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company.

## History

- 1947-01-01: Area code 812 went into service.
- 2015-03-07: Area code 930 went into service as an overlay in the same area as 812.

## Nearest area codes

The area codes closest to 812, measured between the centers of the ZIP code places they serve, are 502 (about 76 miles), 364 (about 89 miles), 317 (about 91 miles), 463 (about 91 miles) and 270 (about 100 miles).

## ZIP codes

171 ZIP codes fall in places that have a rate center in this area code. The places with the most are Evansville, IN (32 ZIP codes), Terre Haute, IN (8 ZIP codes) and Columbus, IN (3 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes.

## Complaints on file

2,523 complaints for 2,220 numbers. Numbers whose latest complaint falls in each year:

- 2023: 64
- 2024: 80
- 2025: 59

## Questions

### Where is area code 812?

NANPA assigns area code 812 to Indiana, United States.

### In which state does area code 812 sit?

Indiana. 812 is one of 8 area codes the NANPA table assigns to the state.

### Which places does area code 812 cover?

The places with the most ZIP codes among the rate centers in 812 are Evansville, IN, Terre Haute, IN and Columbus, IN. The rate center list on this page shows all of them.

### Who owns area code 812?

NANPA assigns area codes. Within 812, Indiana Bell Tel CO holds the most prefixes, 132 prefixes or 17%.

### Which time zone does 812 use?

The NANPA NPA report lists the time zone for 812 as EC.

### What year did 812 enter service?

The NANPA NPA report gives an in-service date of 1947-01-01, so 812 has been in use since 1947.

### Does area code 812 have an overlay?

Yes. 930 (in service 2015-03-07) shares the same area with 812, so numbers from all of them are local to each other.

### Which area codes are nearest to 812?

The area codes closest to 812, measured between the centers of the ZIP code places they serve, are 502 (about 76 miles), 364 (about 89 miles), 317 (about 91 miles), 463 (about 91 miles) and 270 (about 100 miles).

### How many prefixes does area code 812 have?

NANPA's report dated 2026-10-17 lists 784 prefixes in service in 812, spread over 172 rate centers and 50 holders.

### Are there complaints about 812 numbers?

The FCC data on file has 2,523 complaints for 2,220 numbers in 812. They are unverified consumer reports. A number with no complaints on file is not proven safe.

Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).