Trinity County, California

Trinity County, California, has 19 towns and 13 ZIP codes, in area codes 530 (overlay 837) and 707 (overlay 369).

Towns in Trinity County, A to Z

Town	ZIP codes	Area codes
Big Bar	96010	530, 837
Burnt Ranch	95527	530, 837
Coffee Creek	nearest96091	530, 837
Douglas	nearest96024	530, 837
Douglas City	96024	530, 837
Hayfork	96041	530, 837
Hyampom	96046	707, 369
Junction	nearest96048	530, 837
Junction City	96048	530, 837
Lewiston	96052	530, 837
Mad River	95552	707, 369
Platina	96076	530, 837
Post Mountain	nearest96041	530, 837
Ruth	nearest95552	707, 369
Salyer	95563	530, 837
Trinity	nearest95563	530, 837
Trinity Center	96091	530, 837
Weaverville	96093	530, 837
Zenia	95595	530, 837

ZIP codes in Trinity County

95527Burnt Ranch530, 837
95552Mad River707, 369
95563Salyer530, 837
95595Zenia530, 837
96010Big Bar530, 837
96024Douglas City530, 837
96041Hayfork530, 837
96046Hyampom707, 369
96048Junction City530, 837
96052Lewiston530, 837
96076Platina530, 837
96091Trinity Center530, 837
96093Weaverville530, 837

Area codes in Trinity County

Area code 530
In service since November 1, 1997. Shares its area with 837. Local calls are dialed with 1 plus ten digits.
Area code 837
In service since January 31, 2025. Shares its area with 530. Local calls are dialed with 1 plus ten digits.
Area code 707
In service since 1959. Shares its area with 369. Local calls are dialed with 1 plus ten digits.
Area code 369
In service since February 1, 2023. Shares its area with 707. Local calls are dialed with 1 plus ten digits.

Local numbers in area code 530

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