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Service Announcement

On August 15th 2015 Ontario One Call will be migrating its core information technology infrastructure which may have impacts to our stakeholder groups. Please ensure your IT department or equivalent receives a copy of this as soon as possible. Click here for more information.

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

Announcement in regards to in-house contact centre

Please CLICK HERE for more information.
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