RoadsideThoughts
A Gazetteer for the United States and Canada
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Welcome to Mount Wilson ...

Mount Wilson is located in Los Angeles County<1>.

While we don't have a date for the founding of Mount Wilson, you might consider that their post office opened  in 1904.

A typical abbreviation for Mount Wilson: Mt. Wilson

Mount Wilson is 5,710 feet [1,740 m] above sea level.<2> In other words, the altitude of Mount Wilson is about 1 mile [or 1¾ km] above sea level.

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

Area Code for Mount Wilson: 626

The ZIP code for Mount Wilson: 91023<3>

Communities Also Named Mount Wilson ...

Using our Gazetteer, we found that there are 2 communities that are also named Mount Wilson - they are located in Maryland and Pennsylvania.

For more information, see our Tidbits & Trivia Page for Mount Wilson.

Communities near Mount Wilson ...

We have created a list of 10 communities that are near Mount Wilson.

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We created a list of cemeteries that are in the area around Mount Wilson. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Mount Wilson.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Mount Wilson. Our list includes information such as whether the 1895 community had a post office or railroad service. See our List of 1890's Communities around Mount Wilson.

We also have a detailed list of newspapers that have been published in the area around Mount Wilson. See our Newspapers Page for Mount Wilson.

TripAdvisor Tourism Pages for Mount Wilson ...

Looking for more information about Mount Wilson? 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 Mount Wilson, there are neighboring communities that also have Tourism pages. More information about those communities can be found on our TripAdvisor Page for Mount Wilson.

Adding Mount Wilson to Our Gazetteer ...

We originally found mention of Mount Wilson 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 Mount Wilson was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<5>

From that list, the Mount Wilson post office opened in 1904.

For more details, see References and Mentions for Mount Wilson.

Footnotes ...

<1>If you're interested in how the shape of California's counties, including Los Angeles, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Mount Wilson - 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 Mount Wilson). When looking for a ZIP Code, whether Mount Wilson or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<4>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<5>A copy of their list with background information can be found at:

      https://cblevins.github.io/us-post-offices/data-biography/