×
the ant game

Walnut Creek, California ZIP Code - United States

The location Walnut Creek, CA has 4 differents ZIP Codes. Check the map below to check your ZIP Code.

City Name ZIP Code ZIP Type Estimated Population
Walnut Creek, CA PRIMARY Status defition 94595 STANDARD 14.774
Walnut Creek, CA PRIMARY Status defition 94596 STANDARD 18.125
Walnut Creek, CA PRIMARY Status defition 94597 STANDARD 16.977
Walnut Creek, CA PRIMARY Status defition 94598 STANDARD 23.862

Postal Zone of Walnut Creek, CA - USA

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

Walnut Creek, CA belongs to which county?

Walnut Creek, 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.