| City: | Eureka, California |
| County: | Humboldt County |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 11:14:31 PM |
| Population: | No Population Data |
| Area Codes: | 369 / 707 |
| Classification: | PO Box |
| Coordinates: | 40.8147, -124.0804 |
| Quick Link: |
ZIP code 95502 serves downtown Eureka, California, as a dedicated PO Box facility within the larger Eureka postal area. It doesn't have its own geographic territory. Instead, it exists as a point location within the 95501 ZIP that handles regular street delivery. This arrangement lets the post office manage a large volume of PO Boxes separately from carrier operations.
The facility maintains 1,569 PO Boxes and serves 484 businesses. Those numbers tell a clear story: this isn't a residential neighborhood needing mail. It's a business hub. Downtown Eureka's commercial district uses these boxes for professional correspondence, legal documents, and package delivery.
Street addresses in this ZIP (W Clark St, F St, and H St) are PO Box Street Addresses. They're alternative formats that deliver to boxes, not actual street delivery routes. The 3 city carrier routes shown in the data refer to this PBSA system, not neighborhood mail carriers walking routes.
Humboldt County's largest city, Eureka sits on Humboldt Bay along California's remote North Coast. The Eureka-Arcata metropolitan area has roughly 137,000 people spread across the redwood-forested region. For residents needing PO Box service in the downtown core, 95502 provides that option separate from the 95501 ZIP that covers residential addresses.
All three street names are PO Box Street Addresses using the post office's downtown location.
ZIP Code 95502 supports both business and residential activity. According to the Business Census (2024), there are 20 business establishments, employing about 339 people with an annual payroll of $27,579,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 3,824Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 20Source: CBP |
| 1st Quarter Payroll: | $4,657,000Source: CBP |
| Annual Payroll: | $27,579,000Source: CBP |
| # of Employees: | 339Source: CBP |
ZIP Code 95502 is located in Humboldt County, California, within the Eureka-Arcata, CA Metropolitan Statistical Area (CBSA 21700) and California's 2nd Congressional District. This Micro area has a population of 135,418 people, about 0.00% of whom live in ZIP Code 95502. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Eureka-Arcata, CASource: Census |
| CBSA Number: | 21700Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 135,418Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 02Source: USPS |
| Congressional Land Area: | 12952.23 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 0623042Source: Census |
| Place Name: | Eureka city; CaliforniaSource: Census |
We could not locate which school district 95502 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on January 1, 2026.