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A Gazetteer for the United States and Canada
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Welcome to Sun Valley ...

Sun Valley is located in Los Angeles County<1>.

While we don't have a date for the founding of Sun Valley, you might consider that their post office opened  in 1949.

A typical abbreviation for Sun Valley: Sun Vly. (or less commonly used: Sun Vally. or Sun Vlly.)

Sun Valley is 810 feet [247 m] above sea level.<2>.

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

Area Codes for Sun Valley: 818 & 747<3>

The ZIP codes for Sun Valley: 91352-91353<4>

Communities Also Named Sun Valley ...

Using our Gazetteer, we found that there are 28 communities that are also named Sun Valley - they are located in Alabama, Arizona (2), British Columbia, Florida, Georgia (3), Idaho, Maryland (2), Nevada, New Mexico, North Carolina, Ohio (2), Pennsylvania, Saskatchewan, Tennessee, Texas (4), Virginia (2) and West Virginia (3).

For more information, see our Tidbits & Trivia Page for Sun Valley.

Communities near Sun Valley ...

We have created a list of 10 communities that are near Sun Valley.

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 Sun Valley. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Sun Valley.

Using the information from an 1895 Atlas, we've created a list of communities that were in the area of Sun Valley. 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 Sun Valley.

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

TripAdvisor Tourism Pages for Sun Valley ...

Looking for more information about Sun Valley? 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.

While we are unaware of a Tourism page that is specific to Sun Valley, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Sun Valley.

Adding Sun Valley to Our Gazetteer ...

We originally found mention of Sun Valley 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 Sun Valley was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<6>

From that list, the Sun Valley post office opened in 1949.

For more details, see References and Mentions for Sun Valley.

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 Sun Valley - it will be higher in some places and lower in others.
<3>When there's a risk of an area code running out of phone numbers, an 'Overlay Area Code' is created that has the same geographic boundaries as the existing area code. In this case, the 818 code has been Overlayed with the 747 area code. New phone numbers in the Sun Valley area will be assigned with one of these codes: 818 or 747. As a result, placing a call in the Sun Valley area will require 10-digit dialing (where you enter both the area code and then the phone number).
<4>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 Sun Valley). When looking for a ZIP Code, whether Sun Valley or elsewhere, it's always best to check the website of the United States Postal Service (USPS).

Our list of ZIP Codes for Sun Valley includes: 91352 & 91353.
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>A copy of their list with background information can be found at:

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