Storm Lake Iowa ZIP Codes
Storm Lake holds a single ZIP code.
Every ZIP code in Storm Lake
| ZIP code | County |
|---|---|
| 50588 | Buena Vista 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Storm Lake codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Storm 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 Storm Lake ZIP code begins 505. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 75 ZIP codes, so Storm Lake accounts for 1% of it.
Every Iowa ZIP prefix and the region it covers →
Area codes covering Storm 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 Storm Lake occupies.
Storm Lake Iowa area codes in full →
Where Storm Lake's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Storm Lake
| City | Distance | ZIP codes |
|---|---|---|
| Alta Iowa ZIP codes | 5.8 mi | 1 ZIP code |
| Truesdale Iowa ZIP codes | 6.0 mi | 1 ZIP code |
| Newell Iowa ZIP codes | 10 mi | 1 ZIP code |
| Nemaha Iowa ZIP codes | 10 mi | 1 ZIP code |
| Schaller Iowa ZIP codes | 11 mi | 1 ZIP code |
| Rembrandt Iowa ZIP codes | 13 mi | 1 ZIP code |
| Early Iowa ZIP codes | 13 mi | 1 ZIP code |
| Aurelia Iowa ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.