Welcome to Denio ...

While we don't have a date for the founding of Denio, you might consider that their post office opened in 1951.

Denio is 4,200 feet [1,280 m] above sea level.<2> In other words, the altitude of Denio is about ¾ mile [or ~1¼ km] above sea level.

Time Zone: Denio lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

Area Code for Denio: 775

The ZIP code for Denio: 89404<3>

TripAdvisor Tourism Pages for Denio ...

Looking for more information about Denio? A wonderful source is the TripAdvisor website. We always start with the TripAdvisor Tourism page, where you can read an overview with links that will help you find lodging, restaurants and attractions.

In addition to the Tourism page for Denio, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Denio.

Adding Denio to Our Gazetteer ...

We originally found mention of Denio in both the FIPS-55 and the GNIS. For more information, see the FIPS and GNIS Codes sections on our Miscellaneous Page.

From our notes, the earliest published mention we've found for Denio was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<4>

From that list, the Denio post office opened in 1951.

For more details, see References and Mentions for Denio.

Footnotes ...

<1>	If you're interested in how the shape of Nevada's counties, including Humboldt, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>	The elevation is an estimate for the area around Denio - it will be higher in some places and lower in others.
<3>	ZIP Codes have been created by the United States Postal Service (USPS) as a way of grouping addresses to make delivery more efficient. The boundaries of the ZIP Code can be changed, re-assigned, eliminated or overlapped with other ZIP Codes. So keep in mind that any given ZIP Code is only 'loosely' associated with a community (such as Denio). When looking for a ZIP Code, whether Denio or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<4>	A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/