ZIP Code 51003 — Alton, IA
ZIP code 51003 serves Alton, Iowa, within Sioux County. It is part of area code 712, with population 1,649 and mean income of $64,468.
Location details
- City
- Alton
- County
- Sioux County
- State
- Iowa (IA)
- Area code
- 712
- Population
- 1,649
- Mean income
- $64,468
- Coordinates
- 42.989590, -95.985960
- Timezone
- America/Chicago
Related ZIP codes in IA
Open state pageAbout ZIP code 51003
ZIP code 51003 is a Standard ZIP in Alton, Iowa. It is linked to area code 712 and can be used to explore related ZIP codes, state-level coverage, and nearby geographic data.
The location coordinates are 42.989590, -95.985960, which can later be displayed on a map for better geographic context.
Location map
Click to View the Map
Click to load interactive map
ZIP 51003 · Alton, IA