Dig Safe is an important step if you plan on doing any excavation on your property. You or your contractor should call Dig Safe to locate all underground utilities. Dig Safe number is 1-888-DIG-SAFE. Dig Safe requires 72 hours notice so they can get in contact with all utilities. If you fail to contact Dig Safe and you damage underground utilities you could be liable to pay for the repairs. This could cost you hundreds or maybe thousands of dollars just for not making a phone call. Dig Safe is a free service.