Service Announcement

Please note that on April 28th 2015 at 9:00 PM ON1Call has scheduled a system maintenance of our web portal that will last approximately 1 hour. During this time you may not be able to access web based services.

Ontario One Call AGM is June 4, 2015

Make sure you don’t miss it and remember to RSVP to by May 4, 2015!

Contact us before you dig

Planting a tree, building a deck or a fence? Contact ON1Call first to get a locate so you can dig safely. Remember, you are liable for any damage or injury caused by interfering with any buried infrastructure.

Request your free locate online or call 1-800-400-2255. We are open 24 hours a day, 7 days a week.

- Web portal training videos & E-Ticket / DTE / WAP account migration instructions - Click here

Service Announcement

Please note that the April 13th, 2015 system change will be reverted this evening at 5:30 PM due to a technical issue. We will communicate when the system change will be re-implemented in the near future.

" April 13th 2015 - ON1Call will be making a feature change to its system regarding ticket generation and segmentation. For more information please click here.

As a result of the above noted change we have scheduled system maintenance on April 13th, 2015 between 9PM and 1AM. For more information Click here "

Service Announcement

Please note that as of March 8, 2015 ON1Call no longer be accepts in-bound locate requests by fax.

To submit your request online Click here

A picture of a house. Homeowners should contact ON1Call, before any digging. For example, digging to plant a tree, building a deck, digging up your driveway or walkway or building a fence.


Get a locate, check status, access resources.

Get started here

A picture of a front-end loader. Contractors are responsible for getting locates for their jobs before they start digging.


Create an account for easier locates and status updates.

Contractor tools

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Infrastructure Owner?

You must be a member and register your infrastructure.

More information