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The Commemorative
Quarter for
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The Commemorative Quarter for California





Welcome to Mount Signal ...

Mount Signal is located in Imperial County<1>.

While we don't have a date for the founding of Mount Signal, you might consider that their post office opened  in 1916.

A typical abbreviation for Mount Signal: Mt. Signal

Mount Signal is near sea level<2>.

Time Zone: Mount Signal lies in the Pacific Time Zone (PST/PDT) and observes daylight saving time

Note: If you travel east from Mount Signal (for example, toward San Luis (AZ)), you will leave Pacific Time and cross into the Mountain Standard Time Zone (MST). In addition, you will be moving from an area that observes daylight saving time to one that does not.

Area Codes for Mount Signal: 760 & 442<3>

Communities near Mount Signal ...

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

  • El Centro
    (9 miles [14.5 km] to the northeast)
  • Calexico
    (8 miles [12.9 km] to the east)
  • Imperial
    (12 miles [19.3 km] to the north)
  • Holtville
    (17 miles [27.4 km] to the northeast)
  • Heber
    (7 miles [11.3 km] to the northeast)
  • Seeley
    (8 miles [12.9 km] to the north)
  • Watermans Corner
    (13 miles [20.9 km] to the northeast)
    • Jump to our Gazetteer entry for Watermans Corner
    • Watermans Corner is located in Imperial County
  • Plaster City
    (14 miles [22.5 km] to the northwest)
    • Note: The GPS coordinates that we are using for Plaster City have been provided by the GNIS.<5> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Plaster City
    • Plaster City is located in Imperial County
  • Date City
    (20 miles [32.2 km] to the northeast)
    • Jump to our Gazetteer entry for Date City
    • Date City is located in Imperial County
  • Brawley
    (21 miles [33.8 km] to the north)

To Help With Your Genealogy Research ...

We have a couple of sections for those tracing their genealogy.

We're compiling a list of cemeteries that are in the area around Mount Signal. Our list includes the location of those cemeteries and we provide an overhead view. See our Cemetery List for Mount Signal.

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

TripAdvisor Tourism Pages for Mount Signal ...

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

Adding Mount Signal to Our Gazetteer ...

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

X2X - From that list, the Mount Signal post office opened in 1916.

For more details, see References and Mentions for Mount Signal.

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

The official website for Imperial County: www.co.imperial.ca.us/

The official website for State of California: https://www.ca.gov/

Footnotes ...

<1>If you're interested in how the shape of California's counties, including Imperial, have changed over time, we recommend the Atlas of Historical County Boundaries.
<2>The elevation is an estimate for the area around Mount Signal - 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 760 code has been Overlayed with the 442 area code. New phone numbers in the Mount Signal area will be assigned with one of these codes: 760 or 442. As a result, placing a call in the Mount Signal area will require 10-digit dialing (where you enter both the area code and then the phone number).
<4>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<5>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
<6>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