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ZIP Codes in Rancho-cucamonga, CALIFORNIA

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

Rancho-cucamonga Postal Codes

The postal system in Rancho-cucamonga 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 RANCHO-CUCAMONGA - 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 - RANCHO-CUCAMONGA
City Name Zip Code Type Population
Rancho Cucamonga, CA PRIMARY 91701 STANDARD 33.269
Rancho Cucamonga, CA PRIMARY 91729 PO BOX 2.420
Rancho Cucamonga, CA PRIMARY 91730 STANDARD 48.152
Rancho Cucamonga, CA PRIMARY 91737 STANDARD 20.165
Rancho Cucamonga, CA PRIMARY 91739 STANDARD 25.587
City Name Zip Code Type Population
Rancho Cucamonga, CA PRIMARY 91701 STANDARD 33.269
Rancho Cucamonga, CA PRIMARY 91729 PO BOX 2.420
Rancho Cucamonga, CA PRIMARY 91730 STANDARD 48.152
Rancho Cucamonga, CA PRIMARY 91737 STANDARD 20.165
Rancho Cucamonga, CA PRIMARY 91739 STANDARD 25.587
Código Postal EEUU - CALIFORNIA - RANCHO-CUCAMONGA

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.