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For Emergency: 911 | Out of County: 240-777-0311

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Email Notification from One of the Participating Agencies
An email containing a Vendor Identification Number (VID) and PIN, or password, will be sent to the vendor upon successful registration with the County and/or its' participating agencies.
Find more information from the following link(s):
  • Central Vendor Registration System


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