London Hydro, Customer Service & Collection: 519-661-5503
- Emergencies: 519-661-5555 (to report emergencies such as downed power lines, tree limbs on lines or electrical equipment that is sparking or dangerous.)
Water or Sewage Issues: 519-661-2489 x 5701
- After-hours: 519-661-4965 (to report basement or yard flooding.)
