Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
TRINITY COUNTY,
CALIFORNIA
ZIP Code
Post Office
Date Established
Date Discontinued
96010
BIG BAR
10/07/1851
95527
BURNT RANCH
10/18/1858
96024
DOUGLAS CITY
12/23/1859
96041
HAYFORK
HELENA
08/14/1964
96046
HYAMPOM
96048
JUNCTION CITY
04/02/1860
96052
LEWISTON
95552
MAD RIVER
95563
SALYER
96091
TRINITY CENTER
96093
WEAVERVILLE
04/09/1850
95595
ZENIA
04/24/1899
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