California area codes
California has 41 area codes, all on UTC−8 standard time. Each card shows the main cities; open one for its overlays, history and a free lookup.
- 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
- 820
- 831
- 837
- 840
- 858
- 909
- 916
- 925
- 949
- 951
よくある質問
California area code questions
How many area codes does California have?
California has 41 area codes in service: 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, 820, 831, 837, 840, 858, 909, 916, 925, 949 and 951.
What was the original California area code?
213, 415 and 916 were among the original area codes created in 1947.
What is the newest area code in California?
357, in service since March 26, 2025 as an overlay on 559.
What time zone is California area codes in?
Pacific.
番号を調べる
1 回目の照会で、有効性・通信事業者・回線種別・地域が分かります。
All North American area codes · International country codes
Sources: NANPA NPA database (11/04/2026) and Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.