Diamond Bar, California ZIP Code - United States

The location Diamond Bar, CA has 2 differents ZIP Codes. Check the map below to check your ZIP Code.

	City Name	ZIP Code	ZIP Type	Estimated Population
Diamond Bar, CA	PRIMARY	91765	STANDARD	41.453
Diamond Bar, CA	ACCEPTABLE	91789	STANDARD	37.363

Postal Zone of Diamond Bar, CA - USA

Diamond Bar, CA belongs to Los Angeles county. Check the list of Los Angeles county ZIP Code.

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PRIMARY: means an the primary city name. Official city name, although the city name might also have another acceptable name.
ACCEPTABLE: means an adequate city name. City names that are abbreviated will frequently be listed as unacceptable because abbreviations are not an acceptable city name format.
IMPROPER/NOT ACCEPTABLE: Means an inadequate city name has been entered or received based on information entered.
UNIQUE: Assigned to a company, government agency, or entity with sufficient mail volume, based on average daily volume of letter size mail received, availability of ZIP Code numbers in the postal area, and the US mail service cost-benefit analysis.