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Welcome to Jacks Mountain ...

Jacks Mountain is located in Adams County<1>.

While we don't have a date for the founding of Jacks Mountain, you might consider that their post office opened  in 1892.

A typical abbreviation for Jacks Mountain: Jacks Mtn. (or less commonly used: Jacks Mntn.)

See our Genealogy Helper Page for Jacks Mountain for more information about variations on the name of Jacks Mountain.

Jacks Mountain is 960 feet [293 m] above sea level.<2>.

Time Zone: Jacks Mountain lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time

Area Codes for Jacks Mountain: 717 & 223<3>

Communities near Jacks Mountain ...

We have created a list of 10 communities that are near Jacks Mountain.

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

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

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

TripAdvisor Tourism Pages for Jacks Mountain ...

Looking for more information about Jacks Mountain? 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 Jacks Mountain, there are neighboring communities that do have Tourism pages. A map of those communities can be found with our TripAdvisor Page for Jacks Mountain.

Adding Jacks Mountain to Our Gazetteer ...

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

X2X - From that list, the Jacks Mountain post office opened in 1892.

We also found Jacks Mountain in the book titled Business Atlas and Shippers' Guide (1895).

For more details, see References and Mentions for Jacks Mountain.

Unfortunately, we don't know of a website for Jacks Mountain. If you can help, please contact us through our Feedback Page.

The official website for Commonwealth of Pennsylvania: https://www.pa.gov/

Footnotes ...

<1>If you're interested in how the shape of Pennsylvania's counties, including Adams, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Jacks Mountain - 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 717 code has been Overlayed with the 223 area code. New phone numbers in the Jacks Mountain area will be assigned with one of these codes: 717 or 223. As a result, placing a call in the Jacks Mountain area will require 10-digit dialing (where you enter both the area code and then the phone number).
<4>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<5>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.
<6>A copy of their list with background information can be found at:

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









 

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This page was last modified/updated: 29 Apr 2025