Area code · California
Get a 831 phone number
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Ghost gives you a real Monterey phone number with the 831 area code, the same code carried by neighbors from Santa Cruz to Salinas. Pick your number, set it up on your iPhone, and start calling and texting in minutes.
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Why choose a 831 virtual phone number?
Monterey to Santa Cruz, one number
An 831 number ties you to the Monterey Bay coastline, from Monterey itself up through Santa Cruz. If you're coordinating a rental, meeting someone from a dating app, or just calling around town, the code matches what people up and down that coast already carry.
Reads as coast, not Silicon Valley
San Jose and much of the tech corridor carry 408 and 669 numbers. Showing up with an 831 number when you're selling something locally or renting a room signals you're calling from the coast, not commuting in from Silicon Valley.
At home in Salinas Valley towns
Watsonville and Gilroy sit at opposite edges of the Salinas Valley growing region. An 831 number fits right into that farm-town network, whether you're lining up seasonal work or running a stand at a local market.
Recognized out toward Morgan Hill and Cupertino
Morgan Hill and Cupertino lean more toward the 408 side of the region, but plenty of people there still recognize 831 for anyone based on the coast. Keeping the coastal code straight matters if you split time between Monterey and those inland towns.
One number across five overlay codes
This part of California layers five overlay codes, 408, 510, 650, 669, and 916, on top of 831, which is why a contact in Los Banos might see any of those on their phone. Choosing 831 keeps your number anchored to Monterey no matter how mixed the region's codes get.
How to get a 831 phone number
- 1
Pick your area code
Choose any 831 area code, or any other US or Canadian code.
- 2
Choose your number
Pick one from the available list.
- 3
Call and text
Over Wi-Fi or data. No SIM card.
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Get My 831 NumberAbout the 831 area code
Area code
831
State
California
Overlay codes
408, 510, 650, 669, 916
Cities served
12+
The 831 area code centers on Monterey and reaches into Salinas, Santa Cruz, and Watsonville along the coast. San Jose, Cupertino, Morgan Hill, and Gilroy sit in the neighboring stretch where 408 and 669 numbers are common, and Los Banos, further inland, falls in range of the wider 916 and 510 traffic that moves through the region. Pick 831 and your number stays tied to the Monterey Bay side of that mix.
Every one of these towns runs on Pacific time. Because 831, 408, 510, 650, 669, and 916 all overlay the same general part of Northern California, it's normal for one household or one business to carry several different codes without anyone being in a different time zone.
People across this stretch of California, from the coast at Monterey to inland Los Banos, deal with the same steady flow of spam sales calls and robocalls that comes with any busy overlay region. A second 831 number kept separate from your main line is a simple way to keep that traffic contained.
Coverage from public numbering and census data. Sources
Local economy
Why do business in Monterey?
Monterey sits between a major farming valley and a stretch of coastline built on tourism, with Silicon Valley's edge creeping in from the north.
Agriculture
Salinas, Watsonville, and Gilroy anchor farmland that runs through the Salinas Valley, supporting seasonal and year-round farm work across the region.
Tourism and hospitality
Monterey and Santa Cruz draw visitors to the bay, keeping hotels, restaurants, and coastal services busy for much of the year.
Logistics and distribution
Towns further inland, like Los Banos and Morgan Hill, sit along routes that move goods between the coast and the rest of Northern California.
831 numbers by city
Frequently asked questions
How fast can I get a Monterey, CA phone number?
You can pick an 831 number in the app and start using it in minutes, no waiting on paperwork or a store visit.
Can I use my 831 number if I'm in San Jose or Sacramento?
Yes. Your Ghost number stays on your phone through the app no matter where you are, whether you're up in San Jose, out in Sacramento, or back on the coast in Monterey.
Can I choose 831 even if I don't live near Monterey?
Yes. Ghost lets you pick any available area code, including 831, no matter where you're actually located.
Ready for your 831 number?
Pick a 831 (or 408, 510, 650, 669, 916) number and start calling and texting in minutes.
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