Barnes City Iowa ZIP Codes
Barnes City holds a single ZIP code.
Every ZIP code in Barnes City
| ZIP code | County |
|---|---|
| 50027 | Mahaska 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Barnes City codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Barnes 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 Barnes City ZIP code begins 500. Those first three digits identify the sectional center facility that processes mail for this part of Iowa. Statewide that range covers 68 ZIP codes, so Barnes City accounts for 1% of it.
Every Iowa ZIP prefix and the region it covers →
Area codes covering Barnes City
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 Barnes City occupies.
Barnes City Iowa area codes in full →
Where Barnes City's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Barnes City
| City | Distance | ZIP codes |
|---|---|---|
| Gibson Iowa ZIP codes | 4.4 mi | 1 ZIP code |
| Montezuma Iowa ZIP codes | 6.1 mi | 1 ZIP code |
| Deep River Iowa ZIP codes | 7.2 mi | 1 ZIP code |
| Thornburg Iowa ZIP codes | 7.9 mi | 1 ZIP code |
| What Cheer Iowa ZIP codes | 9.4 mi | 1 ZIP code |
| New Sharon Iowa ZIP codes | 9.7 mi | 1 ZIP code |
| Guernsey Iowa ZIP codes | 12 mi | 1 ZIP code |
| Keswick Iowa ZIP codes | 13 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.