Code

County

Code

County

01

Alameda

30

Orange

02

Alpine

31

Placer

03

Amador

32

Plumas

04

Butte

33

Riverside

05

Calaveras

34

Sacramento

06

Colusa

35

San Benito

07

Contra Costa

36

San Bernardino

08

Del Norte

37

San Diego

09

El Dorado

38

San Francisco

10

Fresno

39

San Joaquin

11

Glenn

40

San Luis Obispo

12

Humboldt

41

San Mateo

13

Imperial

42

Santa Barbara

14

Inyo

43

Santa Clara

15

Kern

44

Santa Cruz

16

Kings

45

Shasta

17

Lake

46

Sierra

18

Lassen

47

Siskiyou

19

Los Angeles

48

Solano

20

Madera

49

Sonoma

21

Marin

50

Stanislaus

22

Mariposa

51

Sutter

23

Mendocino

52

Tehama

24

Merced

53

Trinity

25

Modoc

54

Tulare

26

Mono

55

Tuolumne

27

Monterey

56

Ventura

28

Napa

57

Yolo

29

Nevada

58

Yuba

Code

City

Code

City

59

Berkeley

63

Pasadena

62

Long Beach