Gilmore City Iowa ZIP Codes
Gilmore City holds a single ZIP code.
Every ZIP code in Gilmore City
| ZIP code | County |
|---|---|
| 50541 | Humboldt 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Gilmore City codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Gilmore City. 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 Gilmore City 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 Gilmore City accounts for 1% of it.
Every Iowa ZIP prefix and the region it covers →
Area codes covering Gilmore City
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 Gilmore City occupies.
Gilmore City Iowa area codes in full →
Where Gilmore City's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Gilmore City
| City | Distance | ZIP codes |
|---|---|---|
| Bradgate Iowa ZIP codes | 5.3 mi | 1 ZIP code |
| Rutland Iowa ZIP codes | 7.6 mi | 1 ZIP code |
| Rolfe Iowa ZIP codes | 7.7 mi | 1 ZIP code |
| Palmer Iowa ZIP codes | 11 mi | 1 ZIP code |
| Clare Iowa ZIP codes | 11 mi | 1 ZIP code |
| Humboldt Iowa ZIP codes | 11 mi | 1 ZIP code |
| Pocahontas Iowa ZIP codes | 12 mi | 1 ZIP code |
| Dakota City Iowa ZIP codes | 12 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.