Welcome to Slidell ...

Slidell is located in Montgomery County<1>.

The location of Slidell has been provided by the Geographic Names Information System (the GNIS).<2>

While we don't have a date for the founding of Slidell, you might consider that their post office opened  in 1888.

Slidell is 580 feet [177 m] above sea level.<3>.

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

Telephone area codes for Slidell: (301) and (240)<4>

Websites for Slidell ...

Chamber of Commerce:   www.montgomerycountychamber.com/

Although we don't have any websites that are specific to Slidell, the following might be of interest:

Communities Also Named Slidell ...

Using our Gazetteer, we found that there are 2 communities that are also named Slidell - they are located in Louisiana and Texas.

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

Communities near Slidell ...

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

• Frederick
  (14 miles [22.5 km] to the north)
  • Jump to our Gazetteer entry for Frederick
  • Frederick is located in Frederick County
  • Population from the 2020 Census: 73,308 people
  • Former names for Frederick:
  • Frederick City
  • Frederick Town
  • Jump to TripAdvisor's Tourism page for Frederick <5>
• Rockville
  (13 miles [20.9 km] to the southeast)
  • Jump to our Gazetteer entry for Rockville
  • Rockville is located in Montgomery County
  • Population from the 2020 Census: 69,512 people
  • Jump to TripAdvisor's Tourism page for Rockville <5>
• Gaithersburg
  (8 miles [12.9 km] to the southeast)
  • Jump to our Gazetteer entry for Gaithersburg
  • Gaithersburg is located in Montgomery County
  • Population from the 2020 Census: 67,741 people
  • Jump to TripAdvisor's Tourism page for Gaithersburg <5>
• Leesburg
  (14 miles [22.5 km] to the southwest)
  • Note: The GPS coordinates that we are using for Leesburg have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Leesburg
  • Leesburg is located in Loudoun County (VA)
  • Population from the 2020 Census: 54,488 people
  • Jump to TripAdvisor's Tourism page for Leesburg <5>
• Herndon
  (17 miles [27.4 km] to the south)
  • Note: The GPS coordinates that we are using for Herndon have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Herndon
  • Herndon is located in Fairfax County (VA)
  • Population from the 2020 Census: 24,573 people
  • Jump to TripAdvisor's Tourism page for Herndon <5>
• Mount Airy
  (14 miles [22.5 km] to the northeast)
  • Jump to our Gazetteer entry for Mount Airy
  • Mount Airy is located in Carroll County
  • Population from the 2020 Census: 9,502 people
  • Jump to TripAdvisor's Tourism page for Mount Airy <5>
• Brunswick
  (17 miles [27.4 km] to the west)
  • Jump to our Gazetteer entry for Brunswick
  • Brunswick is located in Frederick County
  • Population from the 2020 Census: 6,652 people
  • Jump to TripAdvisor's Tourism page for Brunswick <5>
• Walkersville
  (18 miles [29 km] to the north)
  • Note: The GPS coordinates that we are using for Walkersville have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Walkersville
  • Walkersville is located in Frederick County
  • Population from the 2020 Census: 6,574 people
  • Jump to TripAdvisor's Tourism page for Walkersville <5>
• Poolesville
  (6 miles [9.7 km] to the southwest)
  • Note: The GPS coordinates that we are using for Poolesville have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Poolesville
  • Poolesville is located in Montgomery County
  • Population from the 2020 Census: 5,249 people
  • Jump to TripAdvisor's Tourism page for Poolesville <5>
• Middletown
  (18 miles [29 km] to the northwest)
  • Note: The GPS coordinates that we are using for Middletown have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Middletown
  • Middletown is located in Frederick County
  • Population from the 2020 Census: 4,910 people
  • Jump to TripAdvisor's Tourism page for Middletown <5>

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

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

TripAdvisor Tourism Pages for Slidell ...

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

Adding Slidell to Our Gazetteer ...

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

From that list, the Slidell post office opened in 1888.

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

For more details, see References and Mentions for Slidell.

Off-the-Road Links ...

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

The official website for Montgomery County: www.montgomerycountymd.gov/

The official website for State of Maryland: https://www.maryland.gov/