Highland Indiana ZIP Codes
Highland holds a single ZIP code.
Every ZIP code in Highland
| ZIP code | County |
|---|---|
| 46322 | Lake 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Highland codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Highland. 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 Highland ZIP code begins 463. Those first three digits identify the sectional center facility that processes mail for this part of Indiana. Statewide that range covers 53 ZIP codes, so Highland accounts for 2% of it.
Every Indiana ZIP prefix and the region it covers →
Area codes covering Highland
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 Highland occupies.
Highland Indiana area codes in full →
Where Highland's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Highland
| City | Distance | ZIP codes |
|---|---|---|
| Griffith Indiana ZIP codes | 2.2 mi | 1 ZIP code |
| Munster Indiana ZIP codes | 2.4 mi | 1 ZIP code |
| Dyer Indiana ZIP codes | 4.3 mi | 1 ZIP code |
| Schererville Indiana ZIP codes | 4.3 mi | 1 ZIP code |
| Hammond Indiana ZIP codes | 5.3 mi | 5 ZIP codes |
| Gary Indiana ZIP codes | 6.5 mi | 8 ZIP codes |
| East Chicago Indiana ZIP codes | 7.0 mi | 1 ZIP code |
| Whiting Indiana ZIP codes | 8.8 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.