811 is the phone number you call before digging to protect yourself and others from unintentionally hitting underground utility lines.There are millions of miles of buried utilities beneath the surface of the earth that are vital to everyday living like water, electricity and natural gas.811 is the federally designated Call Before You Dig number that helps homeowners and professionals avoid damaging these vital utilities. When you make the free call to 811 a few days before you dig, you'll help prevent unintended consequences such as injury to you or your family, damage to your property, utility service outages to the entire neighborhood and potential fines and repair costs.To give the ability to call this number to your customers follow the steps below: Find out the local number to which 811 is routed to by visiting http://call811.com/811-your-stateCreate user 811 in the domain you want to add this ability to call to.Edit default answering rule for the user and set Call Forwarding to Always and enter the phone number from step #1.Click Save.For additional questions or concerns contact the SkySwitch Tower.