ACAreaCodesGuide
Home|List|Map|Canada

831 Area Code 🌍☎️

Area Code Profile · California

The 831 area code is located in the state of California and covers 60 cities, serving a total population of approximately 642,748. Major cities covered by the 831 area code include Salinas, Santa Cruz, Watsonville, Hollister, Seaside (which represents the most populated areas). There are a total of 391 telephone prefix exchanges in this area code, which support an estimated 3,910,000 active or assignable phone numbers. These prefix lines are operated by 42 distinct carriers, with Salinas as the primary rate center location.

Pacific Time60 Cities391 Prefixes

Reverse Phone Lookup in Salinas, California

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (831).

How it works

1

Enter Number

Provide any 10-digit phone number starting with the (831) area code.

2

Database Search

Our system scans public registries, carrier mappings, and spam reports.

3

Reveal Report

Access location details, line type, carrier, owner information, and safety levels.

Neighborhood Demographics

Calculated demographics and census summary estimations for area code 831.

34.3 y/oMedian Age
$63,300Median Income
$718,000Median Home Value
642,748Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 831.

Did you receive an unwanted call from a (831) phone number?

Help the community identify spammers by filing a comment.

(831) 746-2452May 19, 2026Robocall
Robocall regarding health insurance plans. Said my current coverage was expiring and offered a "free consultation". Calling multiple times a day from slightly different numbers.
See Details
(831) 759-2469May 18, 2026Scam / Fraud
Robocall claiming to be from the IRS. Stated that my Social Security Number has been flagged and suspended. Asked to press 1 to speak with an agent. Obvious phishing scam.
See Details
(831) 772-2486May 17, 2026Robocall
Received a silent call. When I answered, there was just dead air for 5 seconds before it automatically disconnected. Likely an automated system testing for active numbers.
See Details

Cities in the 831 Area Code

The most populous cities in area code 831 are: Salinas (150,441), Santa Cruz (59,946), Watsonville (51,199), Hollister (34,928), and Seaside (33,025).

Other cities in the 831 area code include:

Monterey, Soledad, Marina, Prunedale, Live Oak, Greenfield, Pacific Grove, King City, Scotts Valley, Capitola, Soquel, Rio del Mar, Gonzales, Interlaken, Castroville, Ben Lomond, Aptos, Pleasure Point, Boulder Creek, Twin Lakes, Del Monte Forest, Carmel Valley Village, Felton, Carmel-by-the-Sea, Amesti.

CityPopulation% in Area Code
Salinas150,441100%
Santa Cruz59,946100%
Watsonville51,199100%
Hollister34,928100%
Seaside33,025100%
Monterey27,810100%
Soledad25,738100%
Marina19,718100%
Prunedale17,560100%
Live Oak17,158100%
Greenfield16,330100%
Pacific Grove15,041100%
King City12,874100%
Scotts Valley11,580100%
Capitola9,918100%
Soquel9,644100%
Rio del Mar9,216100%
Gonzales8,187100%
Interlaken7,321100%
Castroville6,481100%

Showing top 20 of 60 cities.

What Time Zone is Area Code 831?

Pacific Time Zone

Abbreviation: PT · UTC Offset: UTC-8

The 831 area code lies within the Pacific Time Zone (PT, UTC-8).

Nearby Area Codes

209Stockton, California213Los Angeles, California279Sacramento, California310Los Angeles, California323Los Angeles, California341Oakland, California350Stockton, California369Santa Rosa, California408San Jose, California415San Francisco, California

Phone Prefixes in the 831 Area Code

391 prefixes found · 42 carriers · 24 rate centers

PrefixCarrierRate Center
(831) 200PEERLESS NETWORK OF CALIFORNIA, LLC - CAMONTEREY
(831) 201NEW CINGULAR WIRELESS PCS, LLCSANTA CRUZ
(831) 202MCIMETRO ACCESS TRANSMISSION SERVICES LLCSALINAS
(831) 203NUSO, LLCSALINAS
(831) 204YMAX COMMUNICATIONS CORP. - CAMONTEREY
(831) 205TELEPORT COMMUNICATIONS AMERICA, LLC - CAHOLLISTER
(831) 206CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CASALINAS
(831) 207T-MOBILE USA, INC.HOLLISTER
(831) 208CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CASALINAS
(831) 210T-MOBILE USA, INC.SALINAS
(831) 212METROPCS, INC.SANTA CRUZ
(831) 214NEW CINGULAR WIRELESS PCS, LLCSALINAS
(831) 215HD CARRIER LLCMONTEREY
(831) 216TELEPORT COMMUNICATIONS AMERICA, LLC - CAFELTON
(831) 217TELEPORT COMMUNICATIONS AMERICA, LLC - CABOULDERCRK
(831) 218TELEPORT COMMUNICATIONS AMERICA, LLC - CABEN LOMOND
(831) 219TELEPORT COMMUNICATIONS AMERICA, LLC - CAAPTOS
(831) 220VONAGE AMERICA LLCMONTEREY
(831) 221IP HORIZON LLCSAN ARDO
(831) 222U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONSFELTON
(831) 223LEVEL 3 COMMUNICATIONS, LLC - CASOLEDAD
(831) 224WAVENATION, LLCMONTEREY
(831) 225CENTURYLINK COMMUNICATIONS, LLCSALINAS
(831) 226AT&T CORP.SANTA CRUZ
(831) 227CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CASANTA CRUZ
(831) 228CHARTER FIBERLINK CA-CCO, LLC - CAWATSONVL
(831) 229NEW CINGULAR WIRELESS PCS, LLCSALINAS
(831) 230TELNYX LLCMONTEREY
(831) 231ONVOY SPECTRUM, LLCGREENFIELD
(831) 232IP HORIZON LLCCHUALAR
(831) 233LEVEL 3 COMMUNICATIONS, LLC - CAMONTEREY
(831) 234CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CASANTA CRUZ
(831) 235CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CASALINAS
(831) 236CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAMONTEREY
(831) 237IP HORIZON LLCSOLEDAD
(831) 238NEW CINGULAR WIRELESS PCS, LLCCARMEL
(831) 239NEW CINGULAR WIRELESS PCS, LLCSANTA CRUZ
(831) 240T-MOBILE USA, INC.SALINAS
(831) 241AT&T - LOCALMONTEREY
(831) 242PACIFIC BELLMONTEREY
(831) 243CSC WIRELESS, LLCSALINAS
(831) 244BANDWIDTH.COM CLEC, LLC - CABIG SUR
(831) 245CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAHOLLISTER
(831) 246CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CABEN LOMOND
(831) 247CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CASANTA CRUZ
(831) 249AT&T CORP.BIG SUR
(831) 250IP HORIZON LLCCARMEL
(831) 251NEW CINGULAR WIRELESS PCS, LLCAPTOS
(831) 252NEW CINGULAR WIRELESS PCS, LLCBEN LOMOND
(831) 253U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONSSALINAS
(831) 254NEW CINGULAR WIRELESS PCS, LLCWATSONVL
(831) 255NORTH COUNTY COMMUNICATION CORPORATION - CASANTA CRUZ
(831) 256CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CASALINAS
(831) 257ONVOY, LLC - CAAPTOS
(831) 258NEW CINGULAR WIRELESS PCS, LLCSALINAS
(831) 259U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONSMONTEREY
(831) 260NEW CINGULAR WIRELESS PCS, LLCSOLEDAD
(831) 261NEW CINGULAR WIRELESS PCS, LLCSALINAS
(831) 262CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CASALINAS
(831) 263IP HORIZON LLCKING CITY
(831) 264BANDWIDTH.COM CLEC, LLC - CAMONTEREY
(831) 265AT&T CORP.HOLLISTER
(831) 266T-MOBILE USA, INC.SANTA CRUZ
(831) 267U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONSBIG SUR
(831) 268ONVOY, LLC - CAFELTON
(831) 269TELEPORT COMMUNICATIONS AMERICA, LLC - CASALINAS
(831) 270U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONSSALINAS
(831) 271TELNYX LLCHOLLISTER
(831) 272ONVOY, LLC - CASALINAS
(831) 273ONVOY, LLC - CASALINAS
(831) 274LEVEL 3 COMMUNICATIONS, LLC - CAWATSONVL
(831) 275BANDWIDTH.COM CLEC, LLC - CAMONTEREY
(831) 276TELNYX LLCSALINAS
(831) 277CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CAMONTEREY
(831) 278CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CABEN LOMOND
(831) 279DISH WIRELESS, LLCSALINAS
(831) 280COMMIO, LLCAPTOS
(831) 281CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CASANTA CRUZ
(831) 282IP HORIZON LLCMONTEREY
(831) 283COMMIO, LLCCARMEL VLY
(831) 284NEW CINGULAR WIRELESS PCS, LLCWATSONVL
(831) 285BANDWIDTH.COM CLEC, LLC - CAWATSONVL
(831) 286ONVOY, LLC - CAGREENFIELD
(831) 287YMAX COMMUNICATIONS CORP. - CASALINAS
(831) 288CHARTER FIBERLINK CA-CCO, LLC - CAWATSONVL
(831) 289COMCAST IP PHONE, LLCBEN LOMOND
(831) 290U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONSGONZALES
(831) 291CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CASANTA CRUZ
(831) 292NEW CINGULAR WIRELESS PCS, LLCSOLEDAD
(831) 293LEVEL 3 COMMUNICATIONS, LLC - CACARMEL
(831) 294NEW CINGULAR WIRELESS PCS, LLCSALINAS
(831) 295T-MOBILE USA, INC.SANTA CRUZ
(831) 296LEVEL 3 COMMUNICATIONS, LLC - CASALINAS
(831) 297T-MOBILE USA, INC.HOLLISTER
(831) 298ONVOY, LLC - CACARMEL VLY
(831) 299LEVEL 3 COMMUNICATIONS, LLC - CATRES PINOS
(831) 300LEVEL 3 COMMUNICATIONS, LLC - CABIG SUR
(831) 301PEERLESS NETWORK OF CALIFORNIA, LLC - CASAN JUAN
(831) 302LEVEL 3 COMMUNICATIONS, LLC - CASAN LUCAS
(831) 303PEERLESS NETWORK OF CALIFORNIA, LLC - CASAN ARDO

Showing first 100 of 391 prefixes.

Frequently Asked Questions

Where is area code 831?
Area code 831 is located in California, covering cities including Salinas, Santa Cruz, Watsonville.
What time zone is area code 831?
Area code 831 is in the Pacific Time Zone (PT, UTC-8).
What state is area code 831?
Area code 831 is in California.