Ontario One Call AGM is June 4, 2015

Make sure you don’t miss it and remember to RSVP to 2015AGM@on1call.com by May 4, 2015!

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 "

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 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

A picture of a commercial building showing underground pipes.

Infrastructure Owner?

You must be a member and register your infrastructure.

More information