Rio Dell California ZIP Codes
Rio Dell holds a single ZIP code.
Every ZIP code in Rio Dell
| ZIP code | County |
|---|---|
| 95562 | Humboldt County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Rio Dell codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Rio Dell. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Rio Dell ZIP code begins 955. Those first three digits identify the sectional center facility that processes mail for this part of California. Statewide that range covers 51 ZIP codes, so Rio Dell accounts for 2% of it.
Every California ZIP prefix and the region it covers →
Area codes covering Rio Dell
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Rio Dell occupies.
Rio Dell California area codes in full →
Where Rio Dell's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Rio Dell
| City | Distance | ZIP codes |
|---|---|---|
| Fortuna California ZIP codes | 6.5 mi | 1 ZIP code |
| Ferndale California ZIP codes | 9.6 mi | 1 ZIP code |
| Eureka California ZIP codes | 21 mi | 3 ZIP codes |
| Arcata California ZIP codes | 25 mi | 2 ZIP codes |
| Blue Lake California ZIP codes | 27 mi | 1 ZIP code |
| Trinidad California ZIP codes | 39 mi | 1 ZIP code |
| Fort Bragg California ZIP codes | 75 mi | 1 ZIP code |
| Willits California ZIP codes | 86 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.