Morristown South Dakota ZIP Codes
Morristown holds a single ZIP code.
Every ZIP code in Morristown
| ZIP code | County |
|---|---|
| 57645 | Corson 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Morristown codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Morristown. 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 Morristown 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 Morristown accounts for 3% of it.
Every South Dakota ZIP prefix and the region it covers →
Area codes covering Morristown
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 Morristown occupies.
Morristown South Dakota area codes in full →
Where Morristown's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Morristown
| City | Distance | ZIP codes |
|---|---|---|
| Lemmon South Dakota ZIP codes | 21 mi | 1 ZIP code |
| Isabel South Dakota ZIP codes | 40 mi | 1 ZIP code |
| Bison South Dakota ZIP codes | 46 mi | 1 ZIP code |
| Timber Lake South Dakota ZIP codes | 47 mi | 1 ZIP code |
| Dupree South Dakota ZIP codes | 62 mi | 1 ZIP code |
| Faith South Dakota ZIP codes | 65 mi | 1 ZIP code |
| Mobridge South Dakota ZIP codes | 68 mi | 1 ZIP code |
| Pollock South Dakota ZIP codes | 69 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.