Highmore South Dakota ZIP Codes
Highmore holds a single ZIP code.
Every ZIP code in Highmore
| ZIP code | County |
|---|---|
| 57345 | Hyde 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Highmore codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Highmore. 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 Highmore 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 Highmore accounts for 2% of it.
Every South Dakota ZIP prefix and the region it covers →
Area codes covering Highmore
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 Highmore occupies.
Highmore South Dakota area codes in full →
Where Highmore's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Highmore
| City | Distance | ZIP codes |
|---|---|---|
| Ree Heights South Dakota ZIP codes | 12 mi | 1 ZIP code |
| Harrold South Dakota ZIP codes | 15 mi | 1 ZIP code |
| Miller South Dakota ZIP codes | 22 mi | 1 ZIP code |
| Blunt South Dakota ZIP codes | 27 mi | 1 ZIP code |
| Orient South Dakota ZIP codes | 31 mi | 1 ZIP code |
| Onida South Dakota ZIP codes | 33 mi | 1 ZIP code |
| Wessington South Dakota ZIP codes | 37 mi | 1 ZIP code |
| Seneca South Dakota ZIP codes | 37 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.