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San Mateo, California ZIP Code - United States

The location San Mateo, CA has 5 differents ZIP Codes. Check the map below to check your ZIP Code.

City Name ZIP Code ZIP Type Estimated Population
San Mateo, CA PRIMARY Status defition 94401 STANDARD 25.273
San Mateo, CA PRIMARY Status defition 94402 STANDARD 21.898
San Mateo, CA PRIMARY Status defition 94403 STANDARD 33.305
San Mateo, CA PRIMARY Status defition 94404 STANDARD 29.611

Postal Zone of San Mateo, CA - USA

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

San Mateo, CA belongs to which county?

San Mateo, CA belongs to San Mateo county. Check the list of San Mateo county ZIP Code.

ZIP Code California

Check the list of California ZIP Code.

ZIP Code United States

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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.