Sioux City, IA ZIP Codes

Mailing address format for Sioux City

John Smith
123 Main St
SIOUX CITY IA 51101
USA

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

All ZIP codes in Sioux City

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

Where is Sioux City? Location, county and time zone

State

Iowa

County

Woodbury County

GPS coordinates

42.49538, -96.38950

Elevation

1,201 ft (366 m)

Time zone

America/ChicagoCST · UTC-06:00

Population

85,797

Map of Sioux City, IA 51101

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Sioux City Street View

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ZIP codes near Sioux City

• South Sioux City, NE
  68776, 511012.6 mi
• Dakota Dunes, SD
  570494.8 mi
• Dakota City, NE
  511115.6 mi
• North Sioux City, SD
  570496.0 mi
• Sergeant Bluff, IA
  510547.0 mi
• Jackson, NE
  687439.8 mi
• Hinton, IA
  5102410.0 mi
• Lawton, IA
  5103010.5 mi
• Bronson, IA
  5100710.9 mi
• Jefferson, SD
  5703811.7 mi
• Hubbard, NE
  6874112.8 mi
• Homer, NE
  6803013.0 mi

Sioux City ZIP code: FAQ