Alton, IA ZIP Code

Mailing address format for Alton

John Smith
123 Main St
ALTON IA 51003
USA

USPS prefers capital letters without punctuation. Check the exact ZIP+4 for a street address on the USPS website.

All ZIP codes in Alton

ZIP Code Tabulation Areas (ZCTA), U.S. Census Bureau. A ZCTA can cover parts of more than one town.

Where is Alton? Location, county and time zone

State

Iowa

County

Sioux County

GPS coordinates

42.98767, -96.00950

Elevation

1,325 ft (404 m)

Time zone

America/ChicagoCST · UTC-06:00

Population

1,248

Map of Alton, IA 51003

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Alton Street View

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ZIP codes near Alton

• Orange City, IA
  510412.5 mi
• Granville, IA
  510226.8 mi
• Hospers, IA
  512387.9 mi
• Maurice, IA
  510368.8 mi
• Sioux Center, IA
  5125010.2 mi
• Struble, IA
  5103611.4 mi
• Oyens, IA
  5104511.9 mi
• Remsen, IA
  5105012.0 mi
• Boyden, IA
  5123413.9 mi
• Hull, IA
  5123915.3 mi
• Marcus, IA
  5103515.3 mi
• Sheldon, IA
  5120115.7 mi

Alton ZIP code: FAQ