811 In Your State


Explore damage prevention information, local contacts and rules for safe digging in Delaware.

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Delmarva 811
811 or 800-282-8555 (DE) or 800-441-8555 (ESMD)

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PO Box 600
Greenwood, DE 19950

M -F 0700 - 1700
Emergency Ticket: 24/7

Advanced 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.