Watertown South Dakota ZIP Codes
Watertown holds a single ZIP code.
Every ZIP code in Watertown
| ZIP code | County |
|---|---|
| 57201 | Codington 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Watertown codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Watertown. 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 Watertown ZIP code begins 572. Those first three digits identify the sectional center facility that processes mail for this part of South Dakota. Statewide that range covers 56 ZIP codes, so Watertown accounts for 2% of it.
Every South Dakota ZIP prefix and the region it covers →
Area codes covering Watertown
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 Watertown occupies.
Watertown South Dakota area codes in full →
Where Watertown's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Watertown
| City | Distance | ZIP codes |
|---|---|---|
| Kranzburg South Dakota ZIP codes | 12 mi | 1 ZIP code |
| Florence South Dakota ZIP codes | 13 mi | 1 ZIP code |
| Castlewood South Dakota ZIP codes | 14 mi | 1 ZIP code |
| Henry South Dakota ZIP codes | 15 mi | 1 ZIP code |
| Goodwin South Dakota ZIP codes | 15 mi | 1 ZIP code |
| Hazel South Dakota ZIP codes | 15 mi | 1 ZIP code |
| South Shore South Dakota ZIP codes | 17 mi | 1 ZIP code |
| Hayti South Dakota ZIP codes | 17 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.