Welcome to Plessis ...

Plessis is located in the Thousand Islands and Saint Lawrence River/Seaway region.

Plessis is located in Jefferson County<1>.

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

While we don't have a date for the founding of Plessis, you might consider that their post office opened  in 1823.

Plessis is 400 feet [122 m] above sea level.<3>.

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

Plessis is within the boundaries of the (315) area code.

Communities Also Named Plessis ...

Using our Gazetteer, we found another community named Plessis - it's located in Iowa.

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

Communities near Plessis ...

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

• Gananoque
  (15 miles [24.1 km] to the west)
  • Jump to our Gazetteer entry for Gananoque
  • Jump to TripAdvisor's Tourism page for Gananoque <4>
• Gouverneur
  (19 miles [30.6 km] to the east)
  • Jump to our Gazetteer entry for Gouverneur
  • Gouverneur is located in Saint Lawrence County
  • Population from the 2020 Census: 3,644 people
  • Jump to TripAdvisor's Tourism page for Gouverneur <4>
• Clayton
  (11 miles [17.7 km] to the west)
  • Jump to our Gazetteer entry for Clayton
  • Clayton is located in Jefferson County
  • Population from the 2020 Census: 1,775 people
  • Jump to TripAdvisor's Tourism page for Clayton <4>
• Black River
  (18 miles [29 km] to the south)
  • Jump to our Gazetteer entry for Black River
  • Black River is located in Jefferson County
  • Population from the 2020 Census: 1,217 people
  • Jump to TripAdvisor's Tourism page for Black River <4>
• Philadelphia
  (10 miles [16.1 km] to the southeast)
  • Note: The GPS coordinates that we are using for Philadelphia have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Philadelphia
  • Philadelphia is located in Jefferson County
  • Population from the 2020 Census: 1,101 people
  • Jump to TripAdvisor's Tourism page for Philadelphia <4>
• Brownville
  (19 miles [30.6 km] to the south)
  • Jump to our Gazetteer entry for Brownville
  • Brownville is located in Jefferson County
  • Population from the 2020 Census: 1,063 people
  • Jump to TripAdvisor's Tourism page for Brownville <4>
• Alexandria Bay
  (5 miles [8 km] to the northwest)
  • Note: The GPS coordinates that we are using for Alexandria Bay have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Alexandria Bay
  • Alexandria Bay is located in Jefferson County
  • Population from the 2020 Census: 1,012 people
  • Jump to TripAdvisor's Tourism page for Alexandria Bay <4>
• Theresa
  (4 miles [6.4 km] to the southeast)
  • Jump to our Gazetteer entry for Theresa
  • Theresa is located in Jefferson County
  • Population from the 2020 Census: 766 people
• Antwerp
  (13 miles [20.9 km] to the east)
  • Jump to our Gazetteer entry for Antwerp
  • Antwerp is located in Jefferson County
  • Population from the 2020 Census: 641 people
  • Jump to TripAdvisor's Tourism page for Antwerp <4>
• Chaumont
  (19 miles [30.6 km] to the southwest)
  • Note: The GPS coordinates that we are using for Chaumont have been provided by the GNIS.<2> The coordinates still need to be verified.
  • Jump to our Gazetteer entry for Chaumont
  • Chaumont is located in Jefferson County
  • Population from the 2020 Census: 568 people
  • Jump to TripAdvisor's Tourism page for Chaumont <4>

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

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

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

TripAdvisor Tourism Pages for Plessis ...

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

Adding Plessis to Our Gazetteer ...

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

From that list, the Plessis post office opened in 1823.

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

For more details, see References and Mentions for Plessis.

Off-the-Road Links ...

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

The official website for Jefferson County: www.co.jefferson.ny.us/

The official website for State of New York: https://www.ny.gov/