Sioux postal codes — Iowa, United States
2 localities and postal codes in Sioux, within United States's three-level hierarchy.
Sioux postal codes
| Country | State | City | City | ZIP | Latitude | Longitude | Timezone |
|---|---|---|---|---|---|---|---|
| United States | Iowa | Sioux | Boyden | 51234 | 43.191091 | -96.005853 | America/Chicago |
| United States | Iowa | Sioux | Hull | 51239 | 43.188592 | -96.133633 | America/Chicago |
Complete dataset
60,000 rows available in United States
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Get full database →About Sioux
Sioux is a city of Iowa, United States.
How postal codes work in Sioux
United States uses a single national postal-code format, written as 99999. Five digits, numeric only. Codes in Sioux follow that format like everywhere else in the country, for example 51234 for Boyden.
Every code listed here for Sioux begins with the prefix 51, which groups its delivery areas together within United States's national numbering.
Postal codes across United States, Sioux included, are issued and maintained by United States Postal Service (USPS).
Addressing format
Addresses in United States are written [House number] [Street name], [City] [Region] [Postal code], and an address in Sioux follows that same order:
What this dataset covers
This reference dataset lists 2 postal codes for Sioux, each paired with its locality and, where the source provides them, coordinates and a time zone.
Other cities of Iowa
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Sioux postal codes — frequently asked questions
What postal codes does Sioux use?
Every postal code listed here for Sioux begins with the prefix 51.
What format are postal codes in Sioux?
They use United States's national 99999 format. Five digits, numeric only. 51234 is one code from Sioux.
Who issues postal codes in Sioux?
United States Postal Service (USPS) issues and maintains postal codes throughout United States, Sioux included.
How many postal codes are listed for Sioux?
This reference dataset contains 2 postal codes for Sioux. That is the dataset's own count, not a claim about every code in use.
Which state is Sioux in?
Sioux is a city of Iowa, United States.