Area code 831 covers California’s central coast, including Salinas, Monterey, and Santa Cruz. It was created in 1998 as a split from area code 408.
- 831-205
- Landline Number
- Hollister, CA
- 831-217
- Landline Number
- Boulder Creek, CA
- 831-218
- Landline Number
- Ben Lomond, CA
- 831-227
- Landline Number
- Santa Cruz, CA
- 831-245
- Landline Number
- Hollister, CA
- 831-255
- Landline Number
- Santa Cruz, CA
- 831-263
- Landline Number
- King City, CA
- 831-265
- Landline Number
- Hollister, CA
- 831-274
- Landline Number
- Watsonville, CA
- 831-288
- Landline Number
- Watsonville, CA
- 831-299
- Landline Number
- Tres Pinos, CA
- 831-302
- Landline Number
- King City, CA
- 831-304
- Landline Number
- Greenfield, CA
- 831-313
- Landline Number
- Hollister, CA
- 831-316
- Landline Number
- Santa Cruz, CA
- 831-319
- Landline Number
- Watsonville, CA
- 831-336
- Landline Number
- Ben Lomond, CA
- 831-337
- Landline Number
- Boulder Creek, CA
- 831-338
- Landline Number
- Boulder Creek, CA
- 831-350
- Landline Number
- Tres Pinos, CA
- 831-359
- Landline Number
- Santa Cruz, CA
- 831-382
- Landline Number
- King City, CA
- 831-385
- Landline Number
- King City, CA
- 831-386
- Landline Number
- King City, CA
- 831-387
- Landline Number
- King City, CA
- 831-401
- Landline Number
- Ben Lomond, CA
- 831-420
- Landline Number
- Santa Cruz, CA
- 831-421
- Landline Number
- Santa Cruz, CA
- 831-423
- Landline Number
- Santa Cruz, CA
- 831-425
- Landline Number
- Santa Cruz, CA
- 831-426
- Landline Number
- Santa Cruz, CA
- 831-427
- Landline Number
- Santa Cruz, CA
- 831-429
- Landline Number
- Santa Cruz, CA
- 831-430
- Landline Number
- Santa Cruz, CA
- 831-431
- Landline Number
- Santa Cruz, CA
- 831-435
- Landline Number
- Santa Cruz, CA
- 831-438
- Landline Number
- Santa Cruz, CA
- 831-439
- Landline Number
- Santa Cruz, CA
- 831-440
- Landline Number
- Santa Cruz, CA
- 831-453
- Landline Number
- Castroville, CA
- 831-454
- Landline Number
- Santa Cruz, CA
- 831-457
- Landline Number
- Santa Cruz, CA
- 831-458
- Landline Number
- Santa Cruz, CA
- 831-459
- Landline Number
- Santa Cruz, CA
- 831-460
- Landline Number
- Santa Cruz, CA
- 831-461
- Landline Number
- Santa Cruz, CA
- 831-462
- Landline Number
- Santa Cruz, CA
- 831-464
- Landline Number
- Santa Cruz, CA
- 831-465
- Landline Number
- Santa Cruz, CA
- 831-466
- Landline Number
- Santa Cruz, CA
- 831-469
- Landline Number
- Santa Cruz, CA
- 831-471
- Landline Number
- Santa Cruz, CA
- 831-475
- Landline Number
- Santa Cruz, CA
- 831-476
- Landline Number
- Santa Cruz, CA
- 831-477
- Landline Number
- Santa Cruz, CA
- 831-479
- Landline Number
- Santa Cruz, CA
- 831-480
- Landline Number
- Santa Cruz, CA
- 831-498
- Landline Number
- Watsonville, CA
- 831-502
- Landline Number
- Santa Cruz, CA
- 831-515
- Landline Number
- Santa Cruz, CA
- 831-525
- Landline Number
- King City, CA
- 831-532
- Landline Number
- Ben Lomond, CA
- 831-533
- Landline Number
- Boulder Creek, CA
- 831-535
- Landline Number
- Santa Cruz, CA
- 831-536
- Landline Number
- Watsonville, CA
- 831-537
- Landline Number
- Hollister, CA
- 831-574
- Landline Number
- Santa Cruz, CA
- 831-576
- Landline Number
- Santa Cruz, CA
- 831-600
- Landline Number
- Santa Cruz, CA
- 831-604
- Landline Number
- Ben Lomond, CA
- 831-609
- Landline Number
- Ben Lomond, CA
- 831-610
- Landline Number
- Boulder Creek, CA
- 831-613
- Landline Number
- Greenfield, CA
- 831-618
- Landline Number
- Boulder Creek, CA
- 831-621
- Landline Number
- Santa Cruz, CA
- 831-628
- Landline Number
- Tres Pinos, CA
- 831-630
- Landline Number
- Hollister, CA
- 831-632
- Landline Number
- Castroville, CA
- 831-633
- Landline Number
- Castroville, CA
- 831-634
- Landline Number
- Hollister, CA
- 831-635
- Landline Number
- Hollister, CA
- 831-636
- Landline Number
- Hollister, CA
- 831-637
- Landline Number
- Hollister, CA
- 831-638
- Landline Number
- Hollister, CA
- 831-652
- Landline Number
- Carmel Valley, CA
- 831-653
- Landline Number
- King City, CA
- 831-659
- Landline Number
- Carmel Valley, CA
- 831-664
- Landline Number
- Hollister, CA
- 831-665
- Landline Number
- Hollister, CA
- 831-674
- Landline Number
- Greenfield, CA
- 831-703
- Landline Number
- Boulder Creek, CA
- 831-706
- Landline Number
- Santa Cruz, CA
- 831-707
- Landline Number
- Watsonville, CA
- 831-709
- Landline Number
- Ben Lomond, CA
- 831-713
- Landline Number
- Santa Cruz, CA
- 831-722
- Landline Number
- Watsonville, CA
- 831-724
- Landline Number
- Watsonville, CA
- 831-728
- Landline Number
- Watsonville, CA
- 831-740
- Landline Number
- Watsonville, CA
- 831-741
- Landline Number
- Castroville, CA
- 831-761
- Landline Number
- Watsonville, CA
- 831-763
- Landline Number
- Watsonville, CA
- 831-768
- Landline Number
- Watsonville, CA
- 831-778
- Landline Number
- King City, CA
- 831-786
- Landline Number
- Watsonville, CA
- 831-824
- Landline Number
- Santa Cruz, CA
- 831-851
- Landline Number
- Watsonville, CA
- 831-854
- Landline Number
- Santa Cruz, CA
- 831-856
- Landline Number
- Greenfield, CA
- 831-921
- Landline Number
- Tres Pinos, CA
- 831-996
- Landline Number
- Tres Pinos, CA