Area code 820
820 is Oxnard, Thousand Oaks, Simi Valley, California.
Area code 820 at a glance
- State
- California
- Main cities
- Oxnard, Thousand Oaks, Simi Valley, Ventura, Santa Maria, Santa Barbara, San Luis Obispo
- Time zone
- Pacific Time
- Local time now
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- Overlay codes
- 805
- In service since
- 2018
805 covers the exact same area as 820 — both are dialed with all 10 digits.
Get a 820 number
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- +1 820 300 9762
- +1 820 300 9787
- +1 820 300 9611
- +1 820 300 9380
- +1 820 300 9625
Call a 820 number from abroad
Call any 820 number from your browser — no SIM, no app install, and no international roaming charge.
Calls to United States start at $0.02/min from QuikRing.
Call now in your browserCalling 820 from inside the US or Canada
Dial 1, then 820, then the 7-digit number.
Calling a 820 number or a 1-800 number from outside the US or Canada? Here is how to reach it from abroad.
Frequently asked questions
Where is area code 820?
Area code 820 covers Oxnard, Thousand Oaks, Simi Valley in California.
What time is it in area code 820?
Area code 820 is in the Pacific Time time zone. See the live clock above for the current local time.
Is 805 the same area as 820?
Yes. 805 is an overlay of 820 — they cover the exact same area, so every call there needs all 10 digits dialed.
How do I get an area code 820 phone number?
Sign up for QuikRing and rent one of the available 820 numbers shown above. It starts working immediately and can receive real calls and text messages.
How much does it cost to call 820 from abroad?
Calls to United States numbers, including area code 820, start at $0.02/min with QuikRing — no roaming plan or SIM needed.