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Contact Us

For immediate assistance, call MC311 at 311 (or 240-777-0311), Monday-Friday, 7 a.m.-7 p.m.

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Need help?

The MC311 Customer Service Center is Montgomery County’s source for non-emergency government information and services.

  • Call 311 Monday through Friday, 7am to 7pm (outside of Montgomery County, dial 240‑777‑0311)
  • Use MC311 online 24 hours/day
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