Oceanside Area Codes, California, Unites States

How to call Oceanside, California?

Oceanside has 2 area codes. To call Oceanside you need to dial the Unites States country code (+1) and one of the following area codes:

442 760

How to know if I'm receiving calls from Oceanside, California?

You are receiving calls from Oceanside when the phone number starts with one of the following combinations:

1-442 1-760

Other area codes in Unites States