Area code 812: where it is and who calls from it
Area code 812 is in Indiana.
Indiana (Southern Indiana, including Bloomington, Evansville, Terre Haute, Columbus, Jeffersonville, Lawrenceburg, Madison, and New Albany)
| Where | Indiana |
|---|---|
| Time zone | Eastern and Central Time ยท local time |
| In service since | 1947 |
| Overlay | Yes, with 930 |
| Prefixes assigned | 785 of 792 possible (99%) |
Overlay: 812 covers the same area as 930. Overlay areas use 10-digit dialing, so a seven-digit number alone won't connect, and neighbors can have different area codes.
Where 812 numbers started
Every prefix is assigned to a rate center, the local calling area it was set up in. These are the biggest in 812, with how many prefixes each has.
Plus 111 smaller rate centers.
Who holds 812 numbers
- Mobile carrier 27%
- Local phone company 41%
- Internet / business phone carrier 24%
- Phone company 7%
| Carrier | Type | Prefixes | Share |
|---|---|---|---|
| Frontier | Local phone company | 137 | 17% |
| AT&T (local phone) | Local phone company | 132 | 17% |
| AT&T Mobility | Mobile carrier | 86 | 11% |
| Verizon Wireless | Mobile carrier | 80 | 10% |
| Level 3 (Lumen) | Internet / business phone carrier | 51 | 6% |
| Windstream (PAETEC) | Internet / business phone carrier | 39 | 5% |
| Onvoy | Internet / business phone carrier | 28 | 4% |
| T-Mobile (including Sprint) | Mobile carrier | 25 | 3% |
| Charter / Spectrum | Internet / business phone carrier | 21 | 3% |
| MetroPCS (T-Mobile) | Mobile carrier | 20 | 3% |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number.
States served: Indiana.
Other area codes in Indiana
Got a call from 812?
An area code tells you where a number was first assigned, not where the caller is. People keep their numbers when they move, and scammers can fake any number. If you weren't expecting the call, let it go to voicemail.
If the call shows a 812 number that matches the first six digits of your own, that's often neighbor spoofing. Use the box above to check the full number.
Area code facts from the NANPA area code database (updated 10/06/2026); prefixes and carriers from NANPA's central office code records (updated 2026-10-10). Place description adapted from Wikipedia, CC BY-SA 4.0.