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ZIP Codes in Red-oak, IOWA

Find complete information about all ZIP codes in Red-oak, Iowa. Our interactive map shows the postal code boundaries and locations throughout the city.

Red-oak Postal Codes

The postal system in Red-oak is organized to efficiently serve both residential and commercial areas. Each ZIP code represents a specific delivery zone within the city limits.

Código Postal IOWA city RED-OAK - zip code Estados Unidos USA
ZIP Code (Zip Code) - Representación de área del código postal de los correos de los Estados Unidos.
Código Postal EEUU - IOWA - RED-OAK
City Name Zip Code Type Population
Red Oak, IA PRIMARY 51566 STANDARD 5.664
Red Oak, IA PRIMARY 51591 PO BOX indefined
City Name Zip Code Type Population
Red Oak, IA PRIMARY 51566 STANDARD 5.664
Red Oak, IA PRIMARY 51591 PO BOX indefined
Código Postal EEUU - IOWA - RED-OAK

Definitions of Status

  • PRIMARY: Refers to the main name of the city, typically its official designation. Although the city might have an ACCEPTABLE alternative name, the primary name remains the official one.
  • ACCEPTABLE: Indicates a suitable alternative city name. Commonly abbreviated city names are often listed as unacceptable because abbreviations are not considered an acceptable city name format.
  • IMPROPER/NOT ACCEPTABLE: Denotes that an inappropriate city name was entered or received based on the provided information.
  • UNIQUE: Assigned to a business, government agency, or entity with a significant mail volume. This designation depends on the average daily volume of letter-sized mail received, the availability of ZIP code numbers in the postal area, and a cost-benefit analysis by the postal service.