Area code 831 — Salinas, California
- Area code
- 831
- Location
- Salinas, California
- Local time
- Pacific Time
Area code 831 covers Salinas and surrounding communities in California.
Updated 28 July 2026
Where is area code 831?
Area code 831 is in Salinas, California, covering Salinas and surrounding communities in California. All 831 numbers are on Pacific Time.
Cities
Salinas
Is area code 831 a scam?
No. Area code 831 is a legitimate area code serving Salinas since 1998. Scammers spoof caller ID to display 831 numbers, which is why complaints exist against a code that is itself genuine.
Neighbour spoofing is the reason a local-looking number is not a guarantee. A caller anywhere in the world can display a 831 number, and the number they display may belong to a real business in Salinas that has nothing to do with the call.
- Area code 831 had 251 different numbers reported for spam calls in the 30 days to 28 July 2026.
- Area code 831 ranks 242nd of 331 US geographic area codes by spam complaint volume.
- Of the 272 complaints about area code 831 in the 30 days to 28 July 2026, 69% were reported as a recorded message or robocall.
- The most reported subject on area code 831 is reducing your debt (credit cards, mortgage, student loans), appearing in 20% of its complaints in the 30 days to 28 July 2026.
Most reported numbers · last 30 days
| Number | Reports | Last reported |
|---|---|---|
| (831) 975-2139 | 5 | 18 days ago |
| (831) 231-2405 | 3 | 1 day ago |
| (831) 268-0369 | 3 | 3 days ago |
| (831) 273-3665 | 3 | 26 days ago |
| (831) 777-0054 | 3 | 8 days ago |
A number listed here may itself be a spoofing victim rather than the caller. These are unverified consumer reports.
Source: FTC Do Not Call Reported Calls Data, unverified consumer reports, retrieved 28 July 2026. Request a correction.
What these calls were about
Each figure is that subject’s share of every 831 complaint in the 30 days to 28 July 2026, as categorised by the consumer who reported it.
Reducing your debt (credit cards, mortgage, student loans)
20% of reported 831 calls · 55 complaints
Calls pretending to be government, businesses, or family and friends
17% of reported 831 calls · 47 complaints
Home improvement & cleaning
2% of reported 831 calls · 5 complaints
Computer & technical support
1% of reported 831 calls · 3 complaints
Energy, solar, & utilities
1% of reported 831 calls · 3 complaints
Work from home & other ways to make money
1% of reported 831 calls · 3 complaints
Businesses can prevent their own numbers from being mistaken for calls like these.
Calls from your 831 number not landing?
Why am I getting text messages from area code 831?
Texts from 831 numbers follow the same pattern as calls — mostly local businesses and services. Treat any text asking for payment or credentials as suspect regardless of the code.
The common patterns are a wrong-number opener that turns into conversation, an unsolicited job offer, and a crypto or investment tip. Do not reply, do not follow the link, and forward the message to 7726 (SPAM) to report it to your carrier.
Who works in the Salinas area?
Area code 831 covers California's central coast, with Salinas as its largest city and the seat of Monterey County. The economy here starts in the ground. The Salinas Valley is called the Salad Bowl of the World for a reason: lettuce, strawberries, broccoli, and wine grapes move out of this valley at industrial scale, and the businesses behind them include growers like Taylor Farms and Fresh Express alongside a growing agricultural technology sector that builds field robotics and irrigation software. The same area code takes in Monterey and Carmel, where hospitality and tourism dominate, and Santa Cruz, which leans on its university and a coastal tech economy. Salinas itself had a population of 161,761 and a median household income of $91,908 in 2024, per DataUSA, though a median property value of $654,100 in the same year shows how hard the housing math is for the people who work the fields and the hotel desks.
Who lives in the 831 region
The region's demographics follow its industries. Salinas has a large Mexican-American population, and Spanish is spoken widely in homes and workplaces across the valley. Agricultural business runs on relationships and seasons, and callers describe phone habits that match: early mornings are normal in Salinas, California, because harvest logistics do not wait, while the tourism businesses on the Monterey Peninsula keep more conventional hours. An 831 number signals a genuinely local operation across a region where growers, packers, and shippers have known each other for generations. Callers from outside should expect Pacific Time and should not be surprised when a call to a produce company at 6 a.m. gets answered on the second ring.
Questions
Where is area code 831?
Area code 831 serves Salinas and surrounding communities in California. It is in the Pacific Time zone.
What state is area code 831 in?
Area code 831 is in California. It is not in Tampa or Shreveport — those are area codes 813 and 318.
Is area code 831 toll free?
No. Area code 831 is a geographic area code serving Salinas, California. The toll-free codes are 800, 833, 844, 855, 866, 877, 888, and a call to a 831 number is charged at your normal rate.
Why am I getting calls from 831?
Calls displaying a 831 number come from businesses and individuals in the Salinas area, and from anywhere at all when caller ID is spoofed to look local. 251 831 numbers were reported to the FTC in the 30 days to 28 July 2026.
How do I block calls from area code 831?
Both iOS and Android can silence calls from unknown numbers, and every major US carrier offers free call-blocking. Blocking the whole of area code 831 is rarely worth it, because spoofed numbers change constantly and you would lose legitimate calls from Salinas.
Often confused with
Area code 831 is easily mistyped as 813 (Tampa) or 318 (Shreveport).