ZIP Code 51003 Area Code
Alton, Iowa
Area Code
319, 515, 563, 641, 712
Primary area codes for Iowa (per-ZIP data not available)
Location
| ZIP Code | 51003 |
|---|---|
| City | Alton |
| State | Iowa (IA) |
| County | Sioux |
Frequently Asked Questions
ZIP code 51003 is in Alton, Iowa. The primary area codes for Iowa are 319, 515, 563, 641, 712.
ZIP code 51003 is in Alton, Iowa.