COUNTY CODES
County Codes 1935 thru 1957. (prefix thru 53 / Suffic 54
thru 57)
- A
- KING
- B
- PIERCE
- C
- SPOKANE
- D
- SNOHOMISH
- E
- YAKIMA
- F
- WHATCOM
- G
- CLARK
- H
- GRAY'S
HARBOR
- I
- KITSAP
- J
- THURSTON
- K
- CHELAN
- L
- LEWIS
- M
- SKAGIT
- N
- COWLITZ
- O
- WALLA WALLA
- P
- WHITMAN
- Q
- CLALLAM
- R
- BENTON
- S
- KITTITAS
- T
- LINCOLN
- U
- OKANOGAN
- V
- PACIFIC
- W
- STEVENS
- X
- MASON
- Y
- JEFFERSON
- Z
- KLICKITAT
- AD
- ADAMS
- AN
- ASOTIN
- CO
- COLUMBIA
- DO
- DOUGLAS
- FN
- FRANKLIN
- FY
- FERRY
- GA
- GARFIELD
- GT
- GRANT
- IS
- ISLAND
- JJ
- MAIL OUT FROM OLYMPIA
- PO
- PEND OREILLE
- SA
- SKAMANIA
- SJ
- SAN JUAN
- WA
- WAHKIAKUM