Jefferson County 9-1-1 Dispatch is the addressing authority for the County. The Addressing Manager is John Lewis, and he has been with the agency since its inception. John maintains an extremely detailed map of the County used in our CAD system, which is then used by our public safety partners. If you have a new construction build and need a new address, or need to verify your current address, you can contact him at 636-285-7102, or use the form provided below.

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