Hayward, California ZIP Code - United States

The location Hayward, CA has 9 differents ZIP Codes. Check the map below to check your ZIP Code.

	City Name	ZIP Code	ZIP Type	Estimated Population
Hayward, CA	PRIMARY	94540	PO BOX	819
Hayward, CA	PRIMARY	94541	STANDARD	44.424
Hayward, CA	PRIMARY	94542	STANDARD	9.246
Hayward, CA	PRIMARY	94543	PO BOX	0
Hayward, CA	PRIMARY	94544	STANDARD	55.190
Hayward, CA	PRIMARY	94545	STANDARD	24.681
Hayward, CA	ACCEPTABLE	94546	STANDARD	35.351
Hayward, CA	ACCEPTABLE	94552	STANDARD	13.039
Hayward, CA	PRIMARY	94557	PO BOX	0

Postal Zone of Hayward, CA - USA

Hayward, CA belongs to Alameda county. Check the list of Alameda 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.