Area code 820
Where is area code 820?
Camarillo, Oxnard and Newbury Park, California
Local time: … (Pacific Time)
| State | California |
|---|---|
| Country | United States |
| Main cities | Camarillo, Oxnard and Newbury Park |
| Time zone | Pacific Time |
| Overlay area codes | 805 |
| In service since | 2018 (created from 805) |
| Assigned prefixes | 98 |
| Dialing format | (820) XXX-XXXX · +1 820 XXX XXXX from abroad |
Look up a 820 number
Cities and towns in area code 820
Listed by how many phone prefixes (the 3 digits after the area code) are assigned to each place in 820.
- Camarillo, CA (12)
- Oxnard, CA (12)
- Newbury Park, CA (10)
- Atascadero, CA (8)
- Santa Barbara, CA (8)
- Santa Maria, CA (6)
- Arroyo Grande, CA (3)
- Guadalupe, CA (3)
- Paso Robles, CA (3)
- San Luis Obispo, CA (3)
- Simi Valley, CA (3)
- Thousand Oaks, CA (3)
- Vntra Cntl, CA (3)
- Gaviota, CA (2)
- Lompoc, CA (2)
- Piru, CA (2)
- Pismo Beach, CA (2)
- Santa Paula, CA (2)
- Ventura, CA (2)
- Bradley, CA (1)
- Cayucos, CA (1)
- Fillmore, CA (1)
- Los Alamos, CA (1)
- Nipomo, CA (1)
- Oak View, CA (1)
- Ojai, CA (1)
- Parkfield, CA (1)
- Santa Ynez, CA (1)
Phone companies in area code 820
The carriers that hold the most 820 prefixes. People can move their number to another carrier, so this shows who first issued a number, not who serves it today.
| Prefixes | Carrier |
|---|---|
| 32 | Fractel |
| 18 | New Cingular Wireless PCS (AT&T) |
| 12 | Onvoy |
| 8 | T-Mobile USA |
| 5 | Verizon Wireless |
| 3 | Commio |
| 2 | Boost Subscriberco |
| 2 | Twilio International |
All 98 prefixes in area code 820
Pick the 3 digits after the area code to see that prefix’s city and carrier.
- 200
- 201
- 202
- 203
- 204
- 205
- 206
- 207
- 208
- 209
- 210
- 212
- 213
- 214
- 215
- 216
- 217
- 218
- 219
- 220
- 221
- 222
- 223
- 224
- 225
- 226
- 227
- 228
- 229
- 230
- 231
- 232
- 233
- 234
- 235
- 236
- 237
- 238
- 239
- 240
- 241
- 242
- 243
- 244
- 245
- 246
- 247
- 248
- 249
- 250
- 251
- 252
- 253
- 254
- 255
- 280
- 288
- 299
- 300
- 333
- 336
- 345
- 346
- 348
- 356
- 380
- 386
- 400
- 426
- 432
- 444
- 465
- 500
- 502
- 529
- 587
- 600
- 666
- 667
- 732
- 758
- 777
- 786
- 799
- 800
- 820
- 822
- 823
- 837
- 842
- 850
- 880
- 888
- 899
- 900
- 946
- 998
- 999
Area codes that overlay 820
Questions
- Where is area code 820?
- Area code 820 is in California. It serves Camarillo, Oxnard, Newbury Park, Atascadero and Santa Barbara and 23 other cities and towns.
- What time zone is area code 820 in?
- Area code 820 uses Pacific Time.
- What area codes overlay 820?
- 805 serves the same area as 820. New numbers in the area can get any of these codes, which is why local calls need all 10 digits.
- Is a call from area code 820 a scam?
- The area code alone doesn’t tell you. Most calls from 820 are ordinary local calls, but scammers can fake (“spoof”) any number. If you don’t recognize a 820 number, let it go to voicemail.
- When did area code 820 start?
- 820 went into service in 2018. It was created from area code 805.
- Can a 820 number be outside California?
- Yes. People keep their numbers when they move and when they switch to mobile or internet phone services, so a 820 caller can be anywhere.
Other area codes in California
| Area code | Main cities |
|---|---|
| 209 | Stockton, Modesto and Merced |
| 213 | Lsan Da 01, Los Angeles and Lsan Da 10 |
| 279 | Sacramento, Folsom and Elk Grove |
| 310 | Los Angeles, Gardena and Beverly Hills |
| 323 | Los Angeles, Montebello and South Gate |
| 341 | Fremont, Oakland and Hayward |
| 350 | Stockton, Modesto and Atwater |
| 357 | Clovis, Firebaugh and Fresno |
| 369 | Santa Rosa, Clearlake and Fairfield |
| 408 | San Jose, Sunnyvale and Campbell |
| 415 | San Francisco, San Rafael and Novato |
| 424 | Los Angeles, Torrance and Beverly Hills |
| 442 | Victorville, Palm Springs and Indio |
| 510 | Oakland, Fremont and Hayward |
| 530 | Chico, Redding and Yuba City |
| 559 | Fresno, Visalia and Clovis |
| 562 | Long Beach, Bellflower and Downey |
| 619 | San Diego, Chula Vista and El Cajon |
| 626 | Alhambra, Pasadena and Covina |
| 628 | San Francisco, San Rafael and Novato |
| 650 | Palo Alto, San Mateo and Mountain View |
| 657 | Anaheim, Huntington Beach and Santa Ana |
| 661 | Bakersfield, Palmdale and Valencia |
| 669 | San Jose, Campbell and Sunnyvale |
| 707 | Santa Rosa, Fairfield and Vallejo |
| 714 | Anaheim, Santa Ana and Orange |
| 738 | Los Angeles, South Gate and Lsan Da 01 |
| 747 | Burbank, Calabasas and Glendale |
| 760 | Palm Springs, Vista and Escondido |
| 818 | Van Nuys, Calabasas and Burbank |
| 831 | Salinas, Santa Cruz and Monterey |
| 837 | Redding, Auburn and Chico |
| 840 | San Bernardino, Pomona and Lake Arrowhead |
| 858 | San Diego, Poway and Chula Vista |
| 909 | Ontario, San Bernardino and Rancho Cucamonga |
| 916 | Sacramento, Roseville and Folsom |
| 925 | Walnut Creek, Concord and Pleasanton |
| 949 | Irvine, Aliso Viejo and Newport Beach |
| 951 | Riverside, Corona and Temecula |