820

Oxnard, California

California · Pacific (UTC-8) · — · 13 cities

State
California
Major City
Oxnard
Time Zone
Pacific (UTC-8)
Current Local Time
—
Cities Served
13

Cities Served by Area Code 820 (13 cities)

Atascadero+1 codeCamarillo+1 codeGoleta+1 codeLompoc+1 codeMoorpark+1 codeOxnard+1 codePaso Robles+1 codeSan Luis Obispo+1 codeSanta Barbara+1 codeSanta Maria+1 codeSimi Valley+1 codeThousand Oaks+1 codeVentura+1 code
Additional Details
Established
2018
Type
Overlay
Active Prefixes
102
Wireless Lines
28%

About Area Code 820

Area code 820 was introduced in 2018 as an overlay code, sharing the same geographic region as an existing area code to meet growing demand for phone numbers in the Oxnard area. The area is in the Pacific time zone. It covers 13 cities and communities including Atascadero, Camarillo, Goleta, Lompoc, Moorpark and 8 more.

Phone Number Prefixes in Area Code 820

102 active NXX prefixes — 28% wireless, 72% landline. Each prefix (NXX) represents up to 10,000 phone numbers.

Fractel 32 (31%)AT&T Mobility 15 (15%)Multiple Ocn Listing 9 (9%)Onvoy 9 (9%)T-Mobile 7 (7%)
PrefixCarrierTypeRate Center
820-200Advanced Telecom SolutionsLandlineThousaoaks
820-201ShelcommLandlineOxnard
820-202Csc WirelessWirelessSnlusobspo
820-203T-MobileWirelessAtascadero
820-204AT&T MobilityWirelessCamarillo
820-205AT&T MobilityWirelessNewburyprk
820-206T-MobileWirelessPasorobles
820-207AT&T MobilityWirelessCamarillo
820-208U.S. TelepacificLandlineAtascadero
820-209Bandwidth.comLandlineGaviota
820-210AT&T MobilityWirelessCamarillo
820-211Multiple Ocn ListingLandlineXxxxxxxxxx
820-212AT&T MobilityWirelessVntra East
820-213AT&T MobilityWirelessCamarillo
820-214AT&T MobilityWirelessNewburyprk
820-215AT&T MobilityWirelessNewburyprk
820-216Boost SubscribercoWirelessArroyogrnd
820-217Boost SubscribercoWirelessAtascadero
820-218AT&T MobilityWirelessLompoc
820-219CommioLandlineConejo
820-220CommioLandlinePiru
820-221AT&T MobilityWirelessSantamaria
820-222FractelLandlineCamarillo
820-223Verizon WirelessWirelessSanbarbara
820-224CommioLandlineNipomo
820-225T-MobileWirelessGuadalupe
820-226OnvoyLandlineEl Rio
820-227Verizon WirelessWirelessSantamaria
820-228TwilioLandlineLompoc
820-229AT&T MobilityWirelessSanbarbara
820-230AT&T MobilityWirelessPasorobles
820-231Verizon WirelessWirelessCamarillo
820-232Verizon WirelessWirelessNewburyprk
820-233Leap TelecomLandlineSnlusobspo
820-234FractelLandlineOxnard
820-235T-MobileWirelessVntra Cntl
820-236NusoLandlineSanbarbara
820-237T-MobileWirelessAtascadero
820-238AT&T MobilityWirelessCamarillo
820-239AT&T MobilityWirelessNewburyprk
820-240WavenationLandlineSanbarbara
820-241T-MobileWirelessAtascadero
820-242OnvoyLandlineEl Rio
820-243OnvoyLandlineCamarillo
820-244OnvoyLandlineSantamaria
820-245AT&T MobilityWirelessSantapaula
820-246T-MobileWirelessAtascadero
820-247OnvoyLandlineNewburyprk
820-280Hd CarrierLandlineLos Alamos
820-288FractelLandlineVntra East
820-299FractelLandlineCamarillo
820-300OnvoyLandlineGuadalupe
820-311Multiple Ocn ListingLandlineXxxxxxxxxx
820-333FractelLandlineThousaoaks
820-336FractelLandlineGuadalupe
820-345FractelLandlineEl Rio
820-346FractelLandlineArroyogrnd
820-348FractelLandlineOxnard
820-356FractelLandlinePoint Mugu
820-380OnvoyLandlinePismobeach
820-386FractelLandlineSimivalley
820-400TwilioLandlineParkfield
820-411Multiple Ocn ListingLandlineXxxxxxxxxx
820-426Ton80 CommunicationsLandlineCamarillo
820-432FractelLandlineNewburyprk
820-444FractelLandlineNewburyprk
820-465FractelLandlineOxnard
820-500FractelLandlineGaviota
820-502SpectrumLandlineSimivalley
820-511Multiple Ocn ListingLandlineXxxxxxxxxx
820-529FractelLandlinePiru
820-555Multiple Ocn ListingLandlineDir Asst
820-587FractelLandlineSanbarbara
820-600FractelLandlinePismobeach
820-611Multiple Ocn ListingLandlineXxxxxxxxxx
820-666FractelLandlineSnlusobspo
820-667FractelLandlineOxnard
820-700Landline
820-711Multiple Ocn ListingLandlineXxxxxxxxxx
820-732FractelLandlineVntra Cntl
820-758FractelLandlineSanbarbara
820-777FractelLandlineSantapaula
820-786FractelLandlineAtascadero
820-799FractelLandlineCamarillo
820-800FractelLandlineCayucos
820-811Multiple Ocn ListingLandlineXxxxxxxxxx
820-822FractelLandlineOxnard
820-823OnvoyLandlineSanta Ynez
820-837Ton80 CommunicationsLandlineOxnard
820-842FractelLandlineOakview
820-850SpectrumLandlineFillmore
820-888Terra Nova TelecomLandlineSimivalley
820-899FractelLandlineSantamaria
820-900FractelLandlineBradley
820-911Multiple Ocn ListingLandlineXxxxxxxxxx
820-946FractelLandlineSantamaria
820-950Landline
820-958Landline
820-959Landline
820-976Landline
820-998OnvoyLandlineAtascadero
820-999FractelLandlineOxnard

All 40 area codes in California

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About Area Code 820

Back in 2018, California folks in the Oxnard area started seeing a new area code, 820, show up on their phones. It was an overlay for the existing 805 code, basically a way to add more numbers without splitting up the region and making everyone switch. Think of it as the phone company saying, 'Hey, we're growing too fast here, let's just layer on another code.' This covers a stretch of the Central Coast, from Oxnard's sunny shores and strawberry fields to inland spots like Paso Robles with its wineries and the college town of San Luis Obispo. You've got beachy vibes in Camarillo and Goleta, military presence in Lompoc, and that laid-back feel in Atascadero and Moorpark. It's all about this mix of coastal living and rural charm that keeps drawing people in. What makes 820 stand out? It's not just another code; it's tied to a part of California where surf meets suburbs, and the demand for lines skyrocketed with new residents and businesses. If you're calling around here, you might chat with someone who's just come back from hiking in the hills or grabbing fresh produce from a local farm. Over time, it's helped keep connections smooth as the population boomed, without the hassle of redrawing boundaries.

⚠ Scam & Spam Alert for 820

In the 820 area, like much of California, phone scams can sneak in when you're least expecting them. You might get a call from someone posing as an IRS agent threatening fines if you don't pay up right away—that's a classic one. Or perhaps it's a pushy offer for an auto warranty extension that pressures you to act fast. Don't forget Medicare fraud calls, where scammers claim there's an issue with your benefits and ask for details. These tactics prey on busy lives, trying to catch you off guard. The thing is, these calls often use spoofed numbers to look local. To handle this, always hang up and verify any suspicious request directly with the official source. It's a straightforward step that can save you a headache down the line.

Local Snapshot

Oxnard itself has a population of about 200,000 folks, swelling the wider region to over a million when you count the surrounding areas. Agriculture is a big deal here, with vast fields of strawberries and vegetables driving the economy alongside manufacturing and logistics hubs. The area is famous for its beaches and outdoor adventures, like surfing spots and wine tasting in nearby valleys that draw visitors year-round. Here's a quirky fact: Oxnard hosts one of the largest naval bases on the West Coast, which mixes military history with everyday life in unexpected ways.

Frequently Asked Questions

Where is area code 820?
Area code 820 serves Oxnard and surrounding communities in California, including Atascadero, Camarillo, Goleta, Lompoc, Moorpark and 8 more. It is in the Pacific time zone.
What cities are in area code 820?
Area code 820 covers 13 cities in California: Atascadero, Camarillo, Goleta, Lompoc, Moorpark, Oxnard, Paso Robles, San Luis Obispo, Santa Barbara, Santa Maria, and 3 more
What time zone is 820?
Area code 820 is in the Pacific time zone (UTC-8).
When was area code 820 created?
Area code 820 was established in 2018 as an overlay to provide additional numbers for the region.
Is 820 a legitimate area code?
Yes, 820 is a valid, active area code assigned to Oxnard, California. However, scammers can spoof any area code, so receiving a call from 820 doesn't guarantee the caller is actually in this area.

Why was the 820 area code established in 2018 for regions like Oxnard?

The 820 area code was introduced in 2018 as an overlay to meet the growing demand for phone numbers in Ventura and San Luis Obispo counties due to population expansion. This helped accommodate new residents and businesses in areas like Oxnard without disrupting existing services. It reflects the ongoing development in these coastal communities since the early 2000s.

What agricultural industries are key in the cities served by area code 820?

Oxnard and Camarillo are well-known for their strawberry and citrus production, which forms a major part of the local economy. Paso Robles stands out for its vineyards and winemaking, drawing from the region's fertile soils and Mediterranean climate. These crops have been staples in the area for decades, supporting local farms and markets.

How does area code 820 relate to military history in places like Lompoc?

Lompoc, covered by area code 820, is home to Vandenberg Space Force Base, which has a rich history dating back to the Cold War era for missile and satellite launches. This military presence has influenced the community's economy and events, including public space exhibits. The base continues to play a role in national defense and space exploration from this coastal location.

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