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Welcome to Cedar Knolls ...

Cedar Knolls is located in Morris County<1>.

While we don't have a date for the founding of Cedar Knolls, you might consider that their post office opened  in 1923.

A typical abbreviation for Cedar Knolls: Cedar Knls.

Cedar Knolls is 290 feet [88 m] above sea level.<2>.

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

Area Codes for Cedar Knolls: 973 & 862<3>

Communities Also Named Cedar Knolls ...

Using our Gazetteer, we found that there are 4 communities that are also named Cedar Knolls - they are located in Connecticut, New York, North Carolina and Virginia.

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

Communities near Cedar Knolls ...

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

  • Newark
    (15 miles [24.1 km] to the east)
    • Jump to our Gazetteer entry for Newark
    • Newark is located in Essex County
    • Population from the 2020 Census: 282,520 people
  • Paterson
    (16 miles [25.7 km] to the northeast)
    • Jump to our Gazetteer entry for Paterson
    • Paterson is located in Passaic County
    • Population from the 2020 Census: 144,801 people
  • Elizabeth
    (16 miles [25.7 km] to the southeast)
    • Jump to our Gazetteer entry for Elizabeth
    • Elizabeth is located in Union County
    • Population from the 2020 Census: 128,382 people
  • Clifton
    (14 miles [22.5 km] to the east)
    • Jump to our Gazetteer entry for Clifton
    • Clifton is located in Passaic County
    • Population from the 2020 Census: 85,025 people
  • Passaic
    (16 miles [25.7 km] to the east)
    • Jump to our Gazetteer entry for Passaic
    • Passaic is located in Passaic County
    • Population from the 2020 Census: 69,340 people
  • East Orange
    (13 miles [20.9 km] to the east)
    • Jump to our Gazetteer entry for East Orange
    • East Orange is located in Essex County
    • Population from the 2020 Census: 64,630 people
  • Plainfield
    (14 miles [22.5 km] to the south)
    • Jump to our Gazetteer entry for Plainfield
    • Plainfield is located in Union County
    • Population from the 2020 Census: 50,011 people
  • Linden
    (17 miles [27.4 km] to the southeast)
    • Jump to our Gazetteer entry for Linden
    • Linden is located in Union County
    • Population from the 2020 Census: 42,076 people
  • Kearny
    (16 miles [25.7 km] to the east)
    • Jump to our Gazetteer entry for Kearny
    • Kearny is located in Hudson County
    • Population from the 2020 Census: 40,507 people
  • Garfield
    (18 miles [29 km] to the east)
    • Jump to our Gazetteer entry for Garfield
    • Garfield is located in Bergen County
    • Population from the 2020 Census: 31,641 people

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

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

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

TripAdvisor Tourism Pages for Cedar Knolls ...

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

Adding Cedar Knolls to Our Gazetteer ...

We originally found mention of Cedar Knolls 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 Cedar Knolls was in the document titled List of Post Offices from Cameron Blevins and Richard Helbock.<4>

X2X - From that list, the Cedar Knolls post office opened in 1923.

We also found Cedar Knolls on a map titled Shell Oil Road Map for New Jersey (1956).

For more details, see References and Mentions for Cedar Knolls.

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

The official website for Morris County: www.co.morris.nj.us/

The official website for State of New Jersey: https://www.nj.gov/

Footnotes ...

<1>If you're interested in how the shape of New Jersey's counties, including Morris, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Cedar Knolls - 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 973 code has been Overlayed with the 862 area code. New phone numbers in the Cedar Knolls area will be assigned with one of these codes: 973 or 862. As a result, placing a call in the Cedar Knolls area will require 10-digit dialing (where you enter both the area code and then the phone number).
<4>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: 28 Apr 2025