Sioux City Iowa ZIP Codes - Map and Full List

Sioux City Iowa is covered by a total of 9 ZIP Codes. There are also 1 ZIP Codes that overlap Sioux City but have a different postal city name. The ZIP Codes in Sioux City range from 51054 to 51111. Of the ZIP codes within or partially within Sioux City there are 8 Standard ZIP Codes and 1 PO Box ZIP Codes. The total population of ZIP Codes in Sioux City is 88998.

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Sioux City Iowa ZIP Code Map

Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Sioux City and can be turned on and off. Each type of postal code can also be turned on and off.

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