Ontario California Area Code

What is Ontario (California) area code?

Ontario in California area code is 909.

This means that if you want to make a phone call to a Ontario in the state of California telephone number you must use the 909 area code.

Is the Ontario (CA) area code always the same?

Yes, phones located in Ontario, California, will always have the same area codes, in this case would be 909. However, keep in mind that this does not only pertain to this region, as it can also be used in other regions of California.

In conclusion, if you need to make a call to an area code phone in Ontario and you ask yourself: What is the Ontario (California) area code?, the answer will be 909.

How to call from abroad to a phone located in Ontario, CA?

To call abroad to Ontario in California you must dial the country code for the United States (+1), the dialing code and the local telephone number you wish to call.

+1 909 [Phone number]

It should be remembered that all calls from one country to another country, for example calling from outside the USA to Ontario telephone numbers, will have a higher cost than calls made in the same country. The final cost of the call will be defined by the telephone company with which the call is made.