Explore damage prevention information, local contacts and rules for safe digging in Delaware.
One Call Centers
811 or1-800-282-8555 (DE) or 1-800-441-8555 (ESMD)
Address:PO Box 600
Greenwood DE 19950
Hours:M -F 0700 - 1700 Emergency Ticket: 24/7
Advance Notice:2 Business Days
Number of days in advance of a digging project that you need to notify the one call center of your intent to dig.
Marks Valid:10 business days
Defines the period of time the facility marks (paint, flags, stakes, etc.) are valid according to state law or practice.