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Visit montgomerycountymd.gov/311
For Emergency: 911 | Out of County: 240-777-0311

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Montgomery County Government Maryland Relay and TTY Access Telephone Numbers
For General Information about Montgomery County offices and services or to submit Service Requests using TTY call 301.251.4850. If using Maryland Relay services, the service must call 240.777.0311 to access the county.


To speak with a Customer Service Representative, please call 311 during business hours.