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OHR Internal Office of Human Resources (OHR) Phone Number

All Services » Office of Human Resources

OHR INTERNAL USE ONLYTo contact the Office of Human Resources (OHR), call 240.777.5000 to speak with an MC311 representative. If service is needed by an OHR team member, the MC311 representative will open a ticket for you and an OHR team member will contact you in the order in which your ticket is received.
Find more information from the following link(s):
 To speak with a Customer Service Representative, please call 311 during business hours.

Last Updated: 03/15/2026 17:46:34