Long Lake South Dakota ZIP Codes
Long Lake holds a single ZIP code.
Every ZIP code in Long Lake
| ZIP code | County |
|---|---|
| 57457 | McPherson 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Long Lake codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Long Lake. 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 Long Lake ZIP code begins 574. Those first three digits identify the sectional center facility that processes mail for this part of South Dakota. Statewide that range covers 50 ZIP codes, so Long Lake accounts for 2% of it.
Every South Dakota ZIP prefix and the region it covers →
Area codes covering Long Lake
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 Long Lake occupies.
Long Lake South Dakota area codes in full →
Where Long Lake's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Long Lake
| City | Distance | ZIP codes |
|---|---|---|
| Leola South Dakota ZIP codes | 16 mi | 1 ZIP code |
| Eureka South Dakota ZIP codes | 21 mi | 1 ZIP code |
| Hosmer South Dakota ZIP codes | 23 mi | 1 ZIP code |
| Roscoe South Dakota ZIP codes | 29 mi | 1 ZIP code |
| Ipswich South Dakota ZIP codes | 30 mi | 1 ZIP code |
| Frederick South Dakota ZIP codes | 34 mi | 1 ZIP code |
| Bowdle South Dakota ZIP codes | 36 mi | 1 ZIP code |
| Westport South Dakota ZIP codes | 37 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.