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AREA CODE · CALIFORNIA

Area code 831

Area code 831 covers Salinas, California. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: California Major City: Salinas Pacific Time (PT) Overlay: None
01 / WHERE IT IS

Where is area code 831?

Area code 831 is assigned to Salinas and the surrounding region in California. Calls to numbers that start with 831 are routed to this area.

Area code 831 is not currently part of an overlay: it serves its territory on its own.

Counties covered

Monterey CountySanta Cruz CountySan Benito County

Line types

  • Mobile 21.04%
  • Landline 78.96%
02 / MAP

Area code 831 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Salinas

This area code is in the Pacific Time (PT) time zone.

Local timeSalinas, CA--:--:--

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America/Los_AngelesLive
04 / HOW TO DIAL

How to call Salinas

WITHIN THE US831 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 831 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 831 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 831 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 831 555 0123
🇦🇺Australia0011 1 831 555 0123
🇯🇵Japan010 1 831 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 831

Share of the number blocks by carrier and line type.

Landline

AT&T
45%
Lumen Technologies
9%
Sinch
9%
IP Horizon
4%
Metro by T-Mobile
4%
Others
29%

Mobile

AT&T Mobility
41%
Verizon Wireless
35%
T-MOBILE USA
15%
Sinch
5%
Optimum
1%
Others
2%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 831

404 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(831) 200 Landline Monterey InfobipPEERLESS NETWORK OF CALIFORNIA, LLC - CA
(831) 201 Mobile Santa Cruz AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC
(831) 202 Landline Salinas Verizon BusinessMCIMETRO ACCESS TRANSMISSION SERVICES LLC
(831) 203 Landline Salinas NusoNUSO, LLC
(831) 204 Landline Monterey SinchONVOY, LLC - CA
(831) 205 Landline Hollister AT&TTELEPORT COMMUNICATIONS AMERICA, LLC - CA
(831) 206 Mobile Salinas Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
(831) 207 Mobile Hollister T-MOBILE USAT-MOBILE USA, INC.
(831) 208 Mobile Salinas Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
(831) 210 Mobile Salinas T-MOBILE USAT-MOBILE USA, INC.

Showing 10 of 404 prefixes

07 / FAQ

Frequently asked questions about area code 831

Where is area code 831 used?
Area code 831 serves Salinas and the surrounding area in California, including Monterey County, Santa Cruz County, San Benito County.
What city is area code 831 from?
The main city of area code 831 is Salinas, CA.
What time zone is area code 831 in?
Area code 831 is in the Pacific Time (PT) time zone (America/Los_Angeles).
Is 831 an overlay area code?
No. Area code 831 is not currently part of an overlay.
How do I call a number with area code 831 from the United States?
Dial the 10 digits: 831 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 831 number from another country?
Dial your country's exit code (or +), then 1, then 831 and the seven-digit number. From a mobile you can use +1 831 XXX XXXX.
Which carriers use area code 831?
Most landline blocks belong to AT&T and most mobile blocks to AT&T Mobility. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 831 for landlines, mobiles or both?
Both. About 78.96% of the number blocks are landline, 21.04% mobile.
How do I save a 831 number in WhatsApp or my phone?
Save it in international format: +1 831 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 831?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

Nearby area codes

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Other area codes in California

209 · Modesto213 · Los Angeles310 · Compton: Gardena DA323 · Los Angeles341 · Fremont-Newark: Main DA350 · Modesto369 · Santa Rosa408 · San Jose: West DA415 · San Francisco: Central DA424 · Beverly Hills442 · Victorville: Victorville DA510 · Oakland: Main-Piedmont DA530 · Chico559 · Fresno562 · Long Beach619 · San Diego: San Diego DA626 · Alhambra628 · San Francisco: Central DA650 · Palo Alto657 · Anaheim661 · Bakersfield: Main DA669 · San Jose: West DA707 · Santa Rosa714 · Anaheim747 · Burbank: Burbank DA760 · Palm Springs805 · Santa Barbara818 · Van Nuys820 · Camarillo840 · Pomona858 · La Jolla909 · Ontario916 · Sacramento: Main DA925 · Walnut Creek949 · Irvine951 · Riverside

View all California area codes →