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A Gazetteer for the United States and Canada
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Welcome to Triangle ...

Triangle is located in Prince William County<1>.

While we don't have a date for the founding of Triangle, you might consider that their post office opened in 1936.

Triangle is 90 feet [27 m] above sea level.<2>.

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

Area Codes for Triangle: 703 & 571<3>

The ZIP code for Triangle: 22172<4>

Communities Also Named Triangle ...

Using our Gazetteer, we found that there are 11 communities that are also named Triangle - they are located in California, Florida (2), Idaho, Mississippi, New York, Newfoundland and Labrador, North Carolina (2), South Carolina and Texas.

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

Communities near Triangle ...

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

  • Manassas
    (15 miles [24.1 km] to the northwest)
  • Fredericksburg
    (18 miles [29 km] to the south)
  • Manassas Park
    (17 miles [27.4 km] to the northwest)
  • La Plata
    (19 miles [30.6 km] to the east)
    • La Plata is located in Charles County (MD)
    • Jump to our Gazetteer entry for La Plata
    • Population from the 2020 Census: 9,800 people
    • Jump to TripAdvisor's Tourism page for La Plata <5>
  • Indian Head
    (10 miles [16.1 km] to the east)
  • Occoquan
    (10 miles [16.1 km] to the northeast)
  • Quantico
    (3 miles [4.8 km] to the southeast)
  • Clifton
    (16 miles [25.7 km] to the north)
  • Port Tobacco Village
    (17 miles [27.4 km] to the east)
    • Port Tobacco Village is located in Charles County (MD)
    • Jump to our Gazetteer entry for Port Tobacco Village
    • Population from the 2020 Census: 15 people
  • Montclair
    (4 miles [6.4 km] to the north)

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

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

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

TripAdvisor Tourism Pages for Triangle ...

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

Adding Triangle to Our Gazetteer ...

We originally found mention of Triangle 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 (so far) for Triangle was mentioned on a train schedule titled Greyhound Bus Time Table (November 1931).

For more details, see References and Mentions for Triangle.

Footnotes ...

<1>If you're interested in how the shape of Virginia's counties, including Prince William, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Triangle - 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 703 code has been Overlayed with the 571 area code. New phone numbers in the Triangle area will be assigned with one of these codes: 703 or 571. As a result, placing a call in the Triangle 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 Triangle). When looking for a ZIP Code, whether Triangle 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.