Plankinton South Dakota ZIP Codes
Plankinton holds a single ZIP code.
Every ZIP code in Plankinton
| ZIP code | County |
|---|---|
| 57368 | Aurora 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Plankinton codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Plankinton. 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 Plankinton ZIP code begins 573. Those first three digits identify the sectional center facility that processes mail for this part of South Dakota. Statewide that range covers 62 ZIP codes, so Plankinton accounts for 2% of it.
Every South Dakota ZIP prefix and the region it covers →
Area codes covering Plankinton
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 Plankinton occupies.
Plankinton South Dakota area codes in full →
Where Plankinton's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Plankinton
| City | Distance | ZIP codes |
|---|---|---|
| Stickney South Dakota ZIP codes | 9.0 mi | 1 ZIP code |
| Mount Vernon South Dakota ZIP codes | 11 mi | 1 ZIP code |
| White Lake South Dakota ZIP codes | 11 mi | 1 ZIP code |
| Corsica South Dakota ZIP codes | 21 mi | 1 ZIP code |
| Letcher South Dakota ZIP codes | 21 mi | 1 ZIP code |
| Mitchell South Dakota ZIP codes | 22 mi | 1 ZIP code |
| Kimball South Dakota ZIP codes | 24 mi | 1 ZIP code |
| Lane South Dakota ZIP codes | 25 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.