ZIP Codes in Blue Lake, CA
Blue Lake uses 1 ZIP code, all in Humboldt County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 Blue Lake ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 95525 | standard | Humboldt | 1,441 |
Finding a ZIP+4 in Blue Lake
Knowing which of these 1 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Blue Lake street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Blue Lake addresses and download it complete.