Utility Locator and Emergency Contacts

811, poison control, OSHA, NRC, and 911 - universal US numbers.

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Formula and source

(reference page; no compute) Universal U.S. emergency and information numbers: 911 (emergency), 811 (call before you dig), 1-800-222-1222 (Poison Help), 1-800-321-OSHA (OSHA hotline), 301-415-7000 (NRC operations), and the per-state utility locator extensions.

FCC and state-PUC published assignments; refreshed annually.

Audience

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Posture

Rough Logic answers the math question the working professional asks on the job. The site is a calm, fast, ad-free, account-free, ever-free reference. It does not interpret code. It does not replace the licensed professional. It does not store your inputs. The Authority Having Jurisdiction governs all installations and inspections.