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ZIP Code 91737 - Alta-loma, CALIFORNIA

Detailed information about ZIP code 91737 located in Alta-loma, California. This postal code covers standard areas with a population of 20,165 residents.

About 91737 ZIP Code Area

The ZIP code 91737 is part of the USPS (United States Postal Service) system serving the Alta-loma area. This code ensures efficient mail delivery and geographic organization within California.

Código Postal CALIFORNIA city ALTA-LOMA - zip code Estados Unidos USA
ZIP Code (Zip Code) - Representación de área del código postal de los correos de los Estados Unidos.

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Código Postal EEUU - CALIFORNIA - ALTA-LOMA - 91737

ZIP Code 91737 - Alta-loma, CALIFORNIA

Detailed information about ZIP code 91737 located in Alta-loma, California. This postal code covers standard areas with a population of 20,165 residents.

About 91737 ZIP Code Area

The ZIP code 91737 is part of the USPS (United States Postal Service) system serving the Alta-loma area. This code ensures efficient mail delivery and geographic organization within California.

City Name Zip Code Type Population
Alta Loma, CA ACCEPTABLE 91737 STANDARD 20.165
Rancho Cucamonga, CA PRIMARY 91737 STANDARD 20.165
Rch Cucamonga, CA ACCEPTABLE 91737 STANDARD 20.165
City Name Zip Code Type
Alta Loma, CA ACCEPTABLE 91737 STANDARD
Rancho Cucamonga, CA PRIMARY 91737 STANDARD
Rch Cucamonga, CA ACCEPTABLE 91737 STANDARD
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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.