Alton, Iowa ZIP code

What is the ZIP code for Alton, IA?

51003

1 for street addresses

Alton is in Sioux County, Iowa. About 1,938 people live in Alton ZIP codes; the most populated is 51003 with 1,938 residents. The city is in the Central Time zone and uses area code 712.

CityAlton, IA
StateIowa
CountySioux County
ZIP codes1
Population (ZIP areas)about 1,938
Time zoneCentral Time · now
Area code712

All Alton ZIP codes

ZIP codeTypePopulationMedian income
51003Standard1,938$101,250

Population and income: U.S. Census Bureau, American Community Survey 5-year estimates. PO Box and single-organization ZIP codes have no residents.

Cities near Alton

Questions

What is the ZIP code for Alton, IA?
The ZIP code for Alton, Iowa is 51003.
What county is Alton, IA in?
Alton ZIP codes are in Sioux County.
What area code is Alton, IA?
Alton uses area code 712.