AREA CODE

831

Area code 831 serves California, United States. Pacific Time. In service since July 1998, split from 408.

California

Area code 831 · United States · Pacific Time

Serves: California, United States
Time zone: Pacific TimeAmerica/Los_Angeles
In service: July 1998
History: Split from 408
All California codes: 209 213 279 310 323 341 350 357 369 408 415 424 442 510 530 559 562 619 626 628 650 657 661 669 707 714 738 747 760 805 818 820831837 840 858 909 916 925 949 951
Dialing: (831) 555-0100·+1 831 555 0100

Parse it

The state and time zone on this page ride every phone parse. Send any number and they come back with validity, line type, and clean formats.

curl -s "https://api.parseapi.com/phone/8315550100" \
  -H "X-Api-Key: $PARSEAPI_KEY"