DON'T DIG UP TROUBLE CALL 811 FIRST Planting a tree? Call 811 Advertising your home? Call 811 B Installing a mailbox? Call 811 000 Putting in a new fence? Call 811 Digging any kind of a hole? You got it: Call 811 It's easier than you might realize to nick a gas or other utility line when you're digging, causing safety issues, delays and other disruptions. If you have a project that requires digging, contact Arizona 811 first. Call 811 or visit arizona811.com at least two working days before you dig so that UniSource and other utilities can mark the locations of underground utility lines near the dig site. THIS SERVICE IS FREE, QUICK - AND REQUIRED BY LAW. UniSourceEnergy APRIL IS NATIONAL SAFE DIGGING MONTH SERVICES DON'T DIG UP TROUBLE CALL 811 FIRST Planting a tree ? Call 811 Advertising your home ? Call 811 B Installing a mailbox ? Call 811 000 Putting in a new fence ? Call 811 Digging any kind of a hole ? You got it : Call 811 It's easier than you might realize to nick a gas or other utility line when you're digging , causing safety issues , delays and other disruptions . If you have a project that requires digging , contact Arizona 811 first . Call 811 or visit arizona811.com at least two working days before you dig so that UniSource and other utilities can mark the locations of underground utility lines near the dig site . THIS SERVICE IS FREE , QUICK - AND REQUIRED BY LAW . UniSourceEnergy APRIL IS NATIONAL SAFE DIGGING MONTH SERVICES