Request a Locate


Requesting a locate through Ontario One Call is free.

If you are excavating a new building, repairing buried infrastructure, landscaping or anything else that requires you to break ground, you must contact Ontario One Call.

Contacting Ontario One Call will help protect your project from unnecessary damages, injuries and financial penalties. We notify buried infrastructure owners that you are excavating. Once notified, they will then let you know where cables, pipes and wires are buried.

Be safe, know what’s below.

Requesting a locate through Ontario one Call is free

You must contact Ontario One Call a minimum of 5 business days (excluding weekends and holidays) before digging.

5 Steps to safe digging

Step 1 Step 1


Contact Ontario One Call (for free) a minimum of 5 business days before your dig. Provide required information: who, when, where, maximum depth, type of work (fence, pool, landscaping, etc) and method (machine or hand).

Step 2 Step 2


Wait for utility and buried infrastructure companies to mark (locate) or clear your digging area.

Step 3 Step 3


Confirm all buried infrastructure companies have responded to your request and marked the dig area properly.

Check your email!

Step 4 Step 4


Respect these marks.
These marks will be colour-coded and each buried infrastructure company will provide instructions that relate to your locate.

Step 5

There are two ways to make a locate request

Use our web portal to save time and make the most accurate locate request

Single Civics
and Emergency
calls only