Location: California → San Mateo → Portola Valley
1 location(s) using this postal code in California, United States
This postal code is assigned to Portola Valley Municipality County San Mateo, California, United States. This location-level postal code helps ensure accurate mail delivery and location identification.
United States uses numeric zip codes with 5 digits (example: 99553). In our directory, these codes are organized from states down to municipalities.
Location: California → San Mateo → Portola Valley
1 location(s) using this postal code in California, United States
This postal code is assigned to Portola Valley Municipality County San Mateo, California, United States. This location-level postal code helps ensure accurate mail delivery and location identification.
United States uses numeric zip codes with 5 digits (example: 99553). In our directory, these codes are organized from states down to municipalities.
When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.
Recipient Name
House #, Street Name
Portola Valley
San Mateo, California
94028
United States
Include this postcode on all letters and packages sent within United States.
For international deliveries, include "United States" on the last address line after the postcode.
This postcode covers California → San Mateo → Portola Valley in United States.
Yes. 94028 is an active postcode for California → San Mateo → Portola Valley in United States. It follows the 5-character format used in this country.
Search by state and county to find the correct postcode in United States. Search Postcodes
Found incorrect info for 94028?
When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.
Recipient Name
House #, Street Name
Portola Valley
San Mateo, California
94028
United States
Include this postcode on all letters and packages sent within United States.
For international deliveries, include "United States" on the last address line after the postcode.
This postcode covers California → San Mateo → Portola Valley in United States.
Yes. 94028 is an active postcode for California → San Mateo → Portola Valley in United States. It follows the 5-character format used in this country.
Search by state and county to find the correct postcode in United States. Search Postcodes
Found incorrect info for 94028?