Oxnard, California
California · Pacific (UTC-8) · — · 13 cities
Cities Served by Area Code 820 (13 cities)
Additional Details
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.
| Prefix | Carrier | Type | Rate Center |
|---|---|---|---|
| 820-200 | Advanced Telecom Solutions | Landline | Thousaoaks |
| 820-201 | Shelcomm | Landline | Oxnard |
| 820-202 | Csc Wireless | Wireless | Snlusobspo |
| 820-203 | T-Mobile | Wireless | Atascadero |
| 820-204 | AT&T Mobility | Wireless | Camarillo |
| 820-205 | AT&T Mobility | Wireless | Newburyprk |
| 820-206 | T-Mobile | Wireless | Pasorobles |
| 820-207 | AT&T Mobility | Wireless | Camarillo |
| 820-208 | U.S. Telepacific | Landline | Atascadero |
| 820-209 | Bandwidth.com | Landline | Gaviota |
| 820-210 | AT&T Mobility | Wireless | Camarillo |
| 820-211 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 820-212 | AT&T Mobility | Wireless | Vntra East |
| 820-213 | AT&T Mobility | Wireless | Camarillo |
| 820-214 | AT&T Mobility | Wireless | Newburyprk |
| 820-215 | AT&T Mobility | Wireless | Newburyprk |
| 820-216 | Boost Subscriberco | Wireless | Arroyogrnd |
| 820-217 | Boost Subscriberco | Wireless | Atascadero |
| 820-218 | AT&T Mobility | Wireless | Lompoc |
| 820-219 | Commio | Landline | Conejo |
| 820-220 | Commio | Landline | Piru |
| 820-221 | AT&T Mobility | Wireless | Santamaria |
| 820-222 | Fractel | Landline | Camarillo |
| 820-223 | Verizon Wireless | Wireless | Sanbarbara |
| 820-224 | Commio | Landline | Nipomo |
| 820-225 | T-Mobile | Wireless | Guadalupe |
| 820-226 | Onvoy | Landline | El Rio |
| 820-227 | Verizon Wireless | Wireless | Santamaria |
| 820-228 | Twilio | Landline | Lompoc |
| 820-229 | AT&T Mobility | Wireless | Sanbarbara |
| 820-230 | AT&T Mobility | Wireless | Pasorobles |
| 820-231 | Verizon Wireless | Wireless | Camarillo |
| 820-232 | Verizon Wireless | Wireless | Newburyprk |
| 820-233 | Leap Telecom | Landline | Snlusobspo |
| 820-234 | Fractel | Landline | Oxnard |
| 820-235 | T-Mobile | Wireless | Vntra Cntl |
| 820-236 | Nuso | Landline | Sanbarbara |
| 820-237 | T-Mobile | Wireless | Atascadero |
| 820-238 | AT&T Mobility | Wireless | Camarillo |
| 820-239 | AT&T Mobility | Wireless | Newburyprk |
| 820-240 | Wavenation | Landline | Sanbarbara |
| 820-241 | T-Mobile | Wireless | Atascadero |
| 820-242 | Onvoy | Landline | El Rio |
| 820-243 | Onvoy | Landline | Camarillo |
| 820-244 | Onvoy | Landline | Santamaria |
| 820-245 | AT&T Mobility | Wireless | Santapaula |
| 820-246 | T-Mobile | Wireless | Atascadero |
| 820-247 | Onvoy | Landline | Newburyprk |
| 820-280 | Hd Carrier | Landline | Los Alamos |
| 820-288 | Fractel | Landline | Vntra East |
| 820-299 | Fractel | Landline | Camarillo |
| 820-300 | Onvoy | Landline | Guadalupe |
| 820-311 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 820-333 | Fractel | Landline | Thousaoaks |
| 820-336 | Fractel | Landline | Guadalupe |
| 820-345 | Fractel | Landline | El Rio |
| 820-346 | Fractel | Landline | Arroyogrnd |
| 820-348 | Fractel | Landline | Oxnard |
| 820-356 | Fractel | Landline | Point Mugu |
| 820-380 | Onvoy | Landline | Pismobeach |
| 820-386 | Fractel | Landline | Simivalley |
| 820-400 | Twilio | Landline | Parkfield |
| 820-411 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 820-426 | Ton80 Communications | Landline | Camarillo |
| 820-432 | Fractel | Landline | Newburyprk |
| 820-444 | Fractel | Landline | Newburyprk |
| 820-465 | Fractel | Landline | Oxnard |
| 820-500 | Fractel | Landline | Gaviota |
| 820-502 | Spectrum | Landline | Simivalley |
| 820-511 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 820-529 | Fractel | Landline | Piru |
| 820-555 | Multiple Ocn Listing | Landline | Dir Asst |
| 820-587 | Fractel | Landline | Sanbarbara |
| 820-600 | Fractel | Landline | Pismobeach |
| 820-611 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 820-666 | Fractel | Landline | Snlusobspo |
| 820-667 | Fractel | Landline | Oxnard |
| 820-700 | Landline | ||
| 820-711 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 820-732 | Fractel | Landline | Vntra Cntl |
| 820-758 | Fractel | Landline | Sanbarbara |
| 820-777 | Fractel | Landline | Santapaula |
| 820-786 | Fractel | Landline | Atascadero |
| 820-799 | Fractel | Landline | Camarillo |
| 820-800 | Fractel | Landline | Cayucos |
| 820-811 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 820-822 | Fractel | Landline | Oxnard |
| 820-823 | Onvoy | Landline | Santa Ynez |
| 820-837 | Ton80 Communications | Landline | Oxnard |
| 820-842 | Fractel | Landline | Oakview |
| 820-850 | Spectrum | Landline | Fillmore |
| 820-888 | Terra Nova Telecom | Landline | Simivalley |
| 820-899 | Fractel | Landline | Santamaria |
| 820-900 | Fractel | Landline | Bradley |
| 820-911 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 820-946 | Fractel | Landline | Santamaria |
| 820-950 | Landline | ||
| 820-958 | Landline | ||
| 820-959 | Landline | ||
| 820-976 | Landline | ||
| 820-998 | Onvoy | Landline | Atascadero |
| 820-999 | Fractel | Landline | Oxnard |
All 40 area codes in California
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
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.