Bison South Dakota ZIP Codes
Bison holds a single ZIP code.
Every ZIP code in Bison
| ZIP code | County |
|---|---|
| 57620 | Perkins 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Bison codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Bison. 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 Bison ZIP code begins 576. Those first three digits identify the sectional center facility that processes mail for this part of South Dakota. Statewide that range covers 32 ZIP codes, so Bison accounts for 3% of it.
Every South Dakota ZIP prefix and the region it covers →
Area codes covering Bison
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 Bison occupies.
Bison South Dakota area codes in full →
Where Bison's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Bison
| City | Distance | ZIP codes |
|---|---|---|
| Lemmon South Dakota ZIP codes | 32 mi | 1 ZIP code |
| Faith South Dakota ZIP codes | 40 mi | 1 ZIP code |
| Morristown South Dakota ZIP codes | 46 mi | 1 ZIP code |
| Isabel South Dakota ZIP codes | 51 mi | 1 ZIP code |
| Buffalo South Dakota ZIP codes | 52 mi | 1 ZIP code |
| Dupree South Dakota ZIP codes | 53 mi | 1 ZIP code |
| Timber Lake South Dakota ZIP codes | 68 mi | 1 ZIP code |
| Eagle Butte South Dakota ZIP codes | 70 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.