Reference facts
Postal code 51003 — Alton
See every recorded place, administrative area and coordinate for postal code 51003 — Alton in US.
Reference facts
| Postal code | 51003 |
|---|---|
| Country code | US |
| Primary administrative area | Iowa |
| Recorded places | 1 |
| Place 1 | Alton · Administrative area: Iowa · Secondary area: Sioux · Coordinates: 42.9782, -96.0173 |