820 area code

Area code 820 is in California (CA), USA and some of the main locations covered are Oxnard, Ventura, Santa Maria, .. (jump to city list below).

Area code 820 has been in service since 30 June 2018 and is an overlay code part of overlay complex 805/820 (overlaying area codes cover the same geographic area).

01:44:22 PM is the current time in area code 820 (Pacific Time).

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Map of area code 820

More California area codes

NPANXX1 Area served2 Date3
820-200Thousand Oaks6/25/2018
820-202San Luis Obispo2/13/2020
820-205Newbury Park7/1/2021
820-206Paso Robles7/16/2021
820-209Gaviota 2/16/2022
820-280Los Alamos10/2/2019
820-288Ventura East1/27/2021
820-333Thousand Oaks1/23/2019
820-345El Rio7/2/2020
820-346Arroyo Grande11/16/2020
820-356Point Mugu1/13/2021
820-426Camarillo 2/18/2022
820-432Newbury Park8/5/2021
820-444Newbury Park1/25/2019
820-587Santa Barbara8/23/2021
820-600Pismo Beach12/5/2019
820-666San Luis Obispo1/24/2019
820-732Ventura Central7/10/2020
820-758Santa Barbara7/10/2020
820-777Santa Paula1/22/2019
820-799Camarillo 2/23/2022
820-837Oxnard 1/10/2022
820-888Simi Valley12/24/2018
820-899Santa Maria1/13/2021
820-946Santa Maria7/10/2020
  1. The NPA is the Numbering Plan Area (area code) and NXX is the central office code.
  2. For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
  3. The assignment date. If no date is shown the exchange code was assigned before 2001.

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List of cities in area code 820

City4 County Time5
Arroyo GrandeSan Luis Obispo P
AtascaderoSan Luis Obispo P
Avila BeachSan Luis Obispo P
BradleyMonterey P
BrandeisVentura P
BuelltonSanta Barbara P
CamarilloVentura P
CambriaSan Luis Obispo P
CarpinteriaSanta Barbara P
CasmaliaSanta Barbara P
CayucosSan Luis Obispo P
CrestonSan Luis Obispo P
FillmoreVentura P
GoletaSanta Barbara P
Grover BeachSan Luis Obispo P
GuadalupeSanta Barbara P
HarmonySan Luis Obispo P
LompocSanta Barbara P
Los AlamosSanta Barbara P
Los OlivosSanta Barbara P
Los OsosSan Luis Obispo P
MoorparkVentura P
Morro BaySan Luis Obispo P
Newbury ParkVentura P
NipomoSan Luis Obispo P
Oak ParkVentura P
Oak ViewVentura P
OceanoSan Luis Obispo P
OjaiVentura P
OxnardVentura P
Paso RoblesSan Luis Obispo P
PiruVentura P
Pismo BeachSan Luis Obispo P
Point Mugu NawcVentura P
Port HuenemeVentura P
Port Hueneme Cbc BaseVentura P
San Luis ObispoSan Luis Obispo P
San MiguelSan Luis Obispo P
San SimeonSan Luis Obispo P
Santa BarbaraSanta Barbara P
Santa MargaritaSan Luis Obispo P
Santa MariaSanta Barbara P
Santa PaulaVentura P
Santa YnezSanta Barbara P
ShandonSan Luis Obispo P
Simi ValleyVentura P
SolvangSanta Barbara P
SomisVentura P
SummerlandSanta Barbara P
TempletonSan Luis Obispo P
Thousand OaksVentura P
VenturaVentura P
Westlake VillageVentura P
  1. Listed in the table above are most, often not all places served by area code 820. When two or more places with the same name are located in the same state we list the largest one only. Cities with population over 50,000 are displayed in bold text.
  2. P stands for Pacific Time (currently 01:44:22 PM).

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