820 area code

Oxnard, Ventura, Santa Maria, etc. are some of the most commonly covered cities in Area Code 820. Click here to jump to the list of cities.

This area code was added to the country’s area code system on 30 June 2018 as part of the overlay complex 805/820 (overlaying area codes cover the same geographic area).

In Pacific Time (area code 820), the current time is 09:48:45 AM.

820 Area Code Phone Lookup


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Map of area code 820

Map of area code 820
Map of area code 820

Nearby to the 820 Area Codes

you’re probably always looking location map, cities, time zone, overlay codes, reverse phone lookup and related info. Well, one easy way to do that is by knowing your nearby area codes. That way, you don’t have to fumble through your phone’s keypad each time you want to make a call. Plus, it can come in handy when trying to find out where someone is calling from. So without further ado, here are the area codes for some of the most popular U.S. cities!

List of 820-NXX Prefixes and Corresponding Locations

We all know our location by its name and zip code, but do you know your city’s postal prefix? Chances are, unless you work for the post office or are extremely interested in the subject matter, you don’t. But prefixes play a critical role in how mail is sorted and delivered, so it’s important to be aware of them. This blog post will take a closer look at what prefixes are and their corresponding locations. Stay tuned!

Are you curious about the prefixes and corresponding locations of the area code 820? This infographic is a great place to start. It provides an overview of 820 area code, including its name, prefixes and date. The infographic also includes a map that shows the location of each area code. this guide is sure to come in handy. Enjoy!

NPANXXArea servedDate
820-200Thousand Oaks6/25/2018
820-201Oxnard7/31/2018
820-202San Luis Obispo2/13/2020
820-203Atascadero3/11/2021
820-204Camarillo7/1/2021
820-205Newbury Park7/1/2021
820-206Paso Robles7/16/2021
820-207Camarillo7/29/2021
820-222Camarillo1/23/2019
820-234Oxnard9/17/2020
820-280Los Alamos10/2/2019
820-288Ventura East1/27/2021
820-299Camarillo1/27/2021
820-300Guadalupe1/15/2019
820-333Thousand Oaks1/23/2019
820-336Guadalupe3/12/2021
820-345El Rio7/2/2020
820-346Arroyo Grande11/16/2020
820-348Oxnard1/11/2021
820-356Point Mugu1/13/2021
820-400Parkfield1/15/2019
820-432Newbury Park8/5/2021
820-444Newbury Park1/25/2019
820-465Oxnard7/10/2020
820-500Gaviota12/5/2019
820-529Piru12/17/2019
820-587Santa Barbara8/23/2021
820-600Pismo Beach12/5/2019
820-666San Luis Obispo1/24/2019
820-667Oxnard8/5/2021
820-732Ventura Central7/10/2020
820-758Santa Barbara7/10/2020
820-777Santa Paula1/22/2019
820-786Atascadero8/5/2021
820-800Cayucos12/5/2019
820-822Oxnard9/22/2021
820-842Oakview11/4/2020
820-888Simi Valley12/24/2018
820-899Santa Maria1/13/2021
820-900Bradley12/5/2019
820-946Santa Maria7/10/2020
820-999Oxnard1/22/2019
  • The NPA refers to the Numbering Plan Area (area code) and the NXX refers to the central office code.
  • The rate center is listed under ‘Area served’. A rate center is the geographic area used to determine local calling boundaries for billing purposes in the North American Numbering Plan. NPA-NXX are generally associated with a locality, but are not always the only one offering services.
  • Assignment date. Exchange codes assigned prior to 2001 do not display a date.

List of Cities in Area Code 820

Looking to find out what cities are in your area code 820? You’ve come to the right place! We’ve put together a comprehensive list of major cities and their corresponding area codes. Whether you’re looking to relocate or just curious, you’ll be able to find what you need here.

So without further ado, let’s get started! We’ve compiled a list of every city in the 820 area code with the corresponding phone number. We hope you find this information helpful!

CityCountyTime
Arroyo GrandeSan Luis ObispoP
AtascaderoSan Luis ObispoP
Avila BeachSan Luis ObispoP
BradleyMontereyP
BrandeisVenturaP
BuelltonSanta BarbaraP
CamarilloVenturaP
CambriaSan Luis ObispoP
CarpinteriaSanta BarbaraP
CasmaliaSanta BarbaraP
CayucosSan Luis ObispoP
CrestonSan Luis ObispoP
FillmoreVenturaP
GoletaSanta BarbaraP
Grover BeachSan Luis ObispoP
GuadalupeSanta BarbaraP
HarmonySan Luis ObispoP
LompocSanta BarbaraP
Los AlamosSanta BarbaraP
Los OlivosSanta BarbaraP
Los OsosSan Luis ObispoP
MoorparkVenturaP
Morro BaySan Luis ObispoP
Newbury ParkVenturaP
NipomoSan Luis ObispoP
Oak ParkVenturaP
Oak ViewVenturaP
OceanoSan Luis ObispoP
OjaiVenturaP
OxnardVenturaP
Paso RoblesSan Luis ObispoP
PiruVenturaP
Pismo BeachSan Luis ObispoP
Point Mugu NawcVenturaP
Port HuenemeVenturaP
Port Hueneme Cbc BaseVenturaP
San Luis ObispoSan Luis ObispoP
San MiguelSan Luis ObispoP
San SimeonSan Luis ObispoP
Santa BarbaraSanta BarbaraP
Santa MargaritaSan Luis ObispoP
Santa MariaSanta BarbaraP
Santa PaulaVenturaP
Santa YnezSanta BarbaraP
ShandonSan Luis ObispoP
Simi ValleyVenturaP
SolvangSanta BarbaraP
SomisVenturaP
SummerlandSanta BarbaraP
TempletonSan Luis ObispoP
Thousand OaksVenturaP
VenturaVenturaP
Westlake VillageVenturaP
  1. Area code 820 is served by most, but not all, of the following places. We list only the largest place when more than one place of the same name is located within the same state. Bolded text indicates cities with more than 50,000 inhabitants.
  2. There are currently 09:48:45 minutes left in Pacific Time.

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