Thorntown Indiana ZIP Codes
Thorntown holds a single ZIP code.
Every ZIP code in Thorntown
| ZIP code | County |
|---|---|
| 46071 | Boone County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Thorntown codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Thorntown. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Thorntown ZIP code begins 460. Those first three digits identify the sectional center facility that processes mail for this part of Indiana. Statewide that range covers 51 ZIP codes, so Thorntown accounts for 2% of it.
Every Indiana ZIP prefix and the region it covers →
Area codes covering Thorntown
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Thorntown occupies.
Thorntown Indiana area codes in full →
Where Thorntown's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Thorntown
| City | Distance | ZIP codes |
|---|---|---|
| Colfax Indiana ZIP codes | 5.4 mi | 1 ZIP code |
| Darlington Indiana ZIP codes | 8.9 mi | 1 ZIP code |
| Advance Indiana ZIP codes | 9.2 mi | 1 ZIP code |
| Clarks Hill Indiana ZIP codes | 10 mi | 1 ZIP code |
| Lebanon Indiana ZIP codes | 11 mi | 1 ZIP code |
| Frankfort Indiana ZIP codes | 12 mi | 1 ZIP code |
| New Ross Indiana ZIP codes | 13 mi | 1 ZIP code |
| Jamestown Indiana ZIP codes | 14 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.