463 area code — Indianapolis, IN geographic
If a call shows area code 463, the number was issued in the Indianapolis area — a code active since 2016, on Eastern time. Together with 317 it forms the 317/463 overlay. Because of number portability and VoIP, the area code tells you where the number was issued, not where the caller is right now.
NANPA lists 180 active NXX prefixes in 463, assigned to 31 carriers. 180 of those prefixes are pooled — shared between carriers in thousands-number blocks. The code spans 32 rate centers (billing localities).
Official projections put exhaust for the 317/463 complex at 2Q 2058.
Its parent code is 317, which it left in 2016.
The dialing plan is 10D for home-NPA local calls and 10D across codes.
Use this page to decode where 463 numbers come from — and remember that spoofing means the screen can lie about everything except your own caution.
Largest localities in 463
| Locality (rate center) | Active prefixes | Also served by |
|---|---|---|
| Indianapolis | 61 | 317, 765 |
| Carmel | 11 | 317 |
| Greenwood | 10 | 317 |
| Fishers | 8 | 317 |
| Noblesville | 6 | 317 |
| Greenfield | 6 | 317 |
| Brownsburg | 6 | 317 |
| Cicero | 5 | 317 |
| Shelbyville | 5 | 317 |
| West Newton | 4 | 317 |
FAQ
Is 463 a toll-free number?
No. 463 is a geographic code; calls are billed like any other domestic call. Toll-free codes are 800, 833, 844, 855, 866, 877 and 888.
Why do 317 and 463 cover the same place?
They are overlays: when a code runs low on numbers, a new code is added over the same territory instead of splitting it. The 317/463 complex shares one service area, and local calls are dialed with 10 digits.
Will 463 run out of numbers?
NANPA's current forecast projects exhaust in 2Q 2058 — decades of capacity remain.
Why am I getting spam calls from 463 numbers?
Scammers spoof recognizable area codes so calls look local or familiar. A displayed 463 number does not prove the call originated there — see our guide to spotting spoofed calls.
Where is a 463 number from?
463 is assigned to Indianapolis and surrounding areas of Indiana in the Eastern time zone. The three digits after the area code (the prefix) narrow it down to a rate center.