Round Lake Minnesota ZIP Codes
Round Lake holds a single ZIP code.
Every ZIP code in Round Lake
| ZIP code | County |
|---|---|
| 56167 | Nobles 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Round Lake codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Round 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 Round Lake ZIP code begins 561. Those first three digits identify the sectional center facility that processes mail for this part of Minnesota. Statewide that range covers 66 ZIP codes, so Round Lake accounts for 2% of it.
Every Minnesota ZIP prefix and the region it covers →
Area codes covering Round Lake
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Round Lake occupies.
Round Lake Minnesota area codes in full →
Where Round Lake's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Round Lake
| City | Distance | ZIP codes |
|---|---|---|
| Worthington Minnesota ZIP codes | 9.0 mi | 1 ZIP code |
| Brewster Minnesota ZIP codes | 11 mi | 1 ZIP code |
| Bigelow Minnesota ZIP codes | 11 mi | 1 ZIP code |
| Okabena Minnesota ZIP codes | 16 mi | 1 ZIP code |
| Rushmore Minnesota ZIP codes | 17 mi | 1 ZIP code |
| Lakefield Minnesota ZIP codes | 18 mi | 1 ZIP code |
| Heron Lake Minnesota ZIP codes | 20 mi | 1 ZIP code |
| Wilmont Minnesota ZIP codes | 24 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.