Walkerton Indiana ZIP Codes
Walkerton holds a single ZIP code.
Every ZIP code in Walkerton
| ZIP code | County |
|---|---|
| 46574 | St. Joseph 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Walkerton codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Walkerton. 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 Walkerton ZIP code begins 465. Those first three digits identify the sectional center facility that processes mail for this part of Indiana. Statewide that range covers 52 ZIP codes, so Walkerton accounts for 2% of it.
Every Indiana ZIP prefix and the region it covers →
Area codes covering Walkerton
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 Walkerton occupies.
Walkerton Indiana area codes in full →
Where Walkerton's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Walkerton
| City | Distance | ZIP codes |
|---|---|---|
| North Liberty Indiana ZIP codes | 5.4 mi | 1 ZIP code |
| Hamlet Indiana ZIP codes | 7.9 mi | 1 ZIP code |
| Kingsford Heights Indiana ZIP codes | 11 mi | 1 ZIP code |
| Lakeville Indiana ZIP codes | 12 mi | 1 ZIP code |
| Plymouth Indiana ZIP codes | 12 mi | 1 ZIP code |
| Kingsbury Indiana ZIP codes | 12 mi | 1 ZIP code |
| Knox Indiana ZIP codes | 14 mi | 1 ZIP code |
| La Porte Indiana ZIP codes | 15 mi | 2 ZIP codes |
Straight-line distance between place reference points, not driving distance.