ZIP Code 95503

Zip Code: 95503
Type: Standard
Official USPS city name: Eureka
Official USPS State Code: CA
Official State Name: California
ZCTA: TRUE
Population: 25972.0
Density: 116.0
Primary Official County Code: 6023
Primary Official County Name: Humboldt
Official County Name: Humboldt
Official County Code: 6023
Imprecise: FALSE
Military: FALSE
Timezone: America/Los_Angeles (15:55 PM Sunday, June 14 2026-06-14 (GMT -0700))
Geo Point: 40.72426, -124.09613

Map