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ZIP Codes in Upland, CALIFORNIA

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

Upland Postal Codes

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

Código Postal CALIFORNIA city UPLAND - 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 - CALIFORNIA - UPLAND
City Name Zip Code Type Population
Upland, CA PRIMARY 91784 STANDARD 22.685
Upland, CA PRIMARY 91785 PO BOX 1.145
Upland, CA PRIMARY 91786 STANDARD 36.960
City Name Zip Code Type Population
Upland, CA PRIMARY 91784 STANDARD 22.685
Upland, CA PRIMARY 91785 PO BOX 1.145
Upland, CA PRIMARY 91786 STANDARD 36.960
Código Postal EEUU - CALIFORNIA - UPLAND

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.