Humboldt County ZIP Codes
California, United States · 38 codes
Humboldt County in California has 38 ZIP codes, from 95501 to 95589, serving 38 places.
ZIP codes in Humboldt
| ZIP Code | Places |
|---|---|
| 95501 | Eureka |
| 95502 | Eureka |
| 95503 | Eureka |
| 95511 | Alderpoint |
| 95514 | Blocksburg |
| 95518 | Arcata |
| 95519 | Mckinleyville |
| 95521 | Arcata |
| 95524 | Bayside |
| 95525 | Blue Lake |
| 95526 | Bridgeville |
| 95528 | Carlotta |
| 95534 | Cutten |
| 95536 | Ferndale |
| 95537 | Fields Landing |
| 95540 | Fortuna |
| 95542 | Garberville |
| 95545 | Honeydew |
| 95546 | Hoopa |
| 95547 | Hydesville |
| 95549 | Kneeland |
| 95550 | Korbel |
| 95551 | Loleta |
| 95553 | Miranda |
| 95554 | Myers Flat |
| 95555 | Orick |
| 95556 | Orleans |
| 95558 | Petrolia |
| 95559 | Phillipsville |
| 95560 | Redway |
| 95562 | Rio Dell |
| 95564 | Samoa |
| 95565 | Scotia |
| 95569 | Redcrest |
| 95570 | Trinidad |
| 95571 | Weott |
| 95573 | Willow Creek |
| 95589 | Whitethorn |
Frequently asked questions
What is the ZIP code of Humboldt?
Humboldt has 38 ZIP codes, from 95501 to 95589. The table lists the places each one serves.
How many places are listed in Humboldt County?
38 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.