Diablo, California ZIP Code - United States

The location Diablo, CA has been assigned with the 94528 as the only ZIP Code. Check the map below to see the aproximate zone for this Postal Code. To zoom the map, click the "load map" button.

	City Name	ZIP Code	ZIP Type	Estimated Population
Diablo, CA	PRIMARY	94528	PO BOX	1.028

Postal Zone of Diablo, CA - USA

Diablo, California ZIP Code - United States — ZIP Code Tabulation Areas (ZCTAs) for Diablo, CA ZIP Code. A ZCTA is a generalized area representation of the american ZIP Code service area.

Diablo, CA belongs to which county?

Diablo, CA belongs to Contra Costa county. Check the list of Contra Costa county ZIP Code.

ZIP Code California

Check the list of California ZIP Code.

ZIP Code United States

If you want to restart your search by state, get back to US ZIP Code.

Status Definitions

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.