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ZIP Codes in Thornton, COLORADO

Find complete information about all ZIP codes in Thornton, Colorado. Our interactive map shows the postal code boundaries and locations throughout the city.

Thornton Postal Codes

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

Código Postal COLORADO city THORNTON - 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 - COLORADO - THORNTON
City Name Zip Code Type Population
Thornton, CO ACCEPTABLE 80023 STANDARD 10.898
Thornton, CO ACCEPTABLE 80221 STANDARD 28.839
Thornton, CO ACCEPTABLE 80229 STANDARD 37.272
Thornton, CO ACCEPTABLE 80233 STANDARD 36.739
Thornton, CO IMPROPER 80234 STANDARD 20.539
Thornton, CO ACCEPTABLE 80260 STANDARD 21.814
Thornton, CO IMPROPER 80601 STANDARD 26.250
Thornton, CO ACCEPTABLE 80602 STANDARD 22.592
City Name Zip Code Type Population
Thornton, CO ACCEPTABLE 80023 STANDARD 10.898
Thornton, CO ACCEPTABLE 80221 STANDARD 28.839
Thornton, CO ACCEPTABLE 80229 STANDARD 37.272
Thornton, CO ACCEPTABLE 80233 STANDARD 36.739
Thornton, CO IMPROPER 80234 STANDARD 20.539
Thornton, CO ACCEPTABLE 80260 STANDARD 21.814
Thornton, CO IMPROPER 80601 STANDARD 26.250
Thornton, CO ACCEPTABLE 80602 STANDARD 22.592
Código Postal EEUU - COLORADO - THORNTON

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.