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51101 ZIP Code - United States

This ZIP Code belongs to the following areas. Below you can see the map of the postal area.

City City ZIP Type Estimated Population
Sioux City, IA PRIMARY Significado STANDARD 367
Wickham Spur, IA NOT ACCEPTABLE Significado STANDARD 367

Postal Zone from ZIP Code 51101 - United States

51101 ZIP Code - United States
ZIP Code Tabulation Areas (ZCTAs) for 51101 ZIP Code. A ZCTA is a generalized area representation of the american ZIP Code service area.

51101 details

City Sioux City
County Woodbury
State Iowa
Estimated Population 816
Density 266,70
Timezone America/Chicago
Latitude 42.494060000
Longitude -96.393610000

Average county area weight on ZIP Code 51101

County FIP Weight
Woodbury 19193 100%

ZIP Code Iowa

Check the list of Iowa ZIP Code.

United States ZIP Code

See all the USA ZIP Code.

Status Definitions
  • PRIMARY: means an the primary city name. Official city name, although the city name might also have another acceptable name.
  • ACCEPTABLE: means an adequate city name. City names that are abbreviated will frequently be listed as unacceptable because abbreviations are not an acceptable city name format.
  • NOT ACCEPTABLE: Means an inadequate city name has been entered or received based on information entered.
  • UNIQUE: Assigned to a company, government agency, or entity with sufficient mail volume, based on average daily volume of letter size mail received, availability of ZIP Code numbers in the postal area, and the US mail service cost-benefit analysis.