RoadsideThoughts
A Gazetteer for the United States and Canada
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Welcome to Dewar ...

Dewar is located in Black Hawk County<1>.

While we don't have a date for the founding of Dewar, you might consider that their post office opened in 1887.

Dewar is 880 feet [268 m] above sea level.<2>.

Time Zone: Dewar lies in the Central Time Zone (CST/CDT) and observes daylight saving time

Area Code for Dewar: 319

The ZIP code for Dewar: 50623<3>

Communities Also Named Dewar ...

Using our Gazetteer, we found that there are 2 communities that are also named Dewar - they are located in Michigan and Oklahoma.

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

Communities near Dewar ...

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

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

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

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

TripAdvisor Tourism Pages for Dewar ...

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

Adding Dewar to Our Gazetteer ...

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

From that list, the Dewar post office opened in 1887.

For more details, see References and Mentions for Dewar.

Footnotes ...

<1>If you're interested in how the shape of Iowa's counties, including Black Hawk, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Dewar - it will be higher in some places and lower in others.
<3>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 Dewar). When looking for a ZIP Code, whether Dewar or elsewhere, it's always best to check the website of the United States Postal Service (USPS).
<4>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<5>A copy of the Blevins & Helbock Post Office list with background information can be found at:

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