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A Gazetteer for the United States and Canada
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Welcome to Walnut Grove ...

Walnut Grove is located in Sacramento County<1>.

While we don't have a date for the founding of Walnut Grove, you might consider that their post office opened  in 1856.

A typical abbreviation for Walnut Grove: Walnut Grv.

Walnut Grove is near sea level<2>.

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

Area Codes for Walnut Grove: 916 & 279<3>

The ZIP code for Walnut Grove: 95690<4>

Communities Also Named Walnut Grove ...

Using our Gazetteer, we found that there are 69 communities that are also named Walnut Grove - they are located in Alabama (3), Arizona, Arkansas (9), British Columbia, Colorado, Georgia (2), Illinois (3), Indiana (2), Iowa, Kansas (2), Kentucky (4), Maryland, Minnesota, Mississippi (2), Missouri, Nebraska, Ohio (2), Pennsylvania (2), South Carolina (2), Tennessee (15), Texas (4), Utah, Virginia (6), Washington and West Virginia.

For more information, see our Tidbits & Trivia Page for Walnut Grove.

Communities near Walnut Grove ...

We have created a list of 10 communities that are near Walnut Grove.

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

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

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

TripAdvisor Tourism Pages for Walnut Grove ...

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

Adding Walnut Grove to Our Gazetteer ...

We originally found mention of Walnut Grove 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 Walnut Grove was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<8>

From that list, the Walnut Grove post office opened in 1856.

We also found Walnut Grove in the book titled List of Post Offices in the United States (1870).

For more details, see References and Mentions for Walnut Grove.

Footnotes ...

<1>If you're interested in how the shape of California's counties, including Sacramento, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Walnut Grove - 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 916 code has been Overlayed with the 279 area code. New phone numbers in the Walnut Grove area will be assigned with one of these codes: 916 or 279. As a result, placing a call in the Walnut Grove 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 Walnut Grove). When looking for a ZIP Code, whether Walnut Grove or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<5>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<6>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<7>An 'estimated' location is one where we have been given GPS coordinates, but are unable to verify the accuracy of those coordinates. That said, we have some confidence that we have placed the marker near the actual location. A typical reason for being unable to verify a location is that it might be on private property or maybe historic and gone without an obvious trace.
<8>A copy of their list with background information can be found at:

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