Call Portola Valley, California, United States

To call Portola Valley:

Dial: 1 X

If you are behind a switchboard, you may have to type first « 0 », « 9 » or another number to reach an external line. It may be the case if you are in a business office.

Number	Explanation
1	International dialing code used to dial to United States
X	Replace X with the local number you want to reach

If you are calling from within the United States, you don't have to use a country code to make an international call. Instead, you can just dial directly without any codes.

If the person you're calling got their phone number when they lived in Portola Valley, their number might start with the area code 650.

Dial: 650 X

Number	Explanation
650	Local area code used to dial to Portola Valley
X	Replace X with the local number you want to reach

You are currently viewing the site in English. International visitors can read the site in their preferred language by selecting from one of the options below:

Call between cities and countries