Town Hall Address 322 Wilson Highway Millsboro, DE 19966 United States- Sussex County Website https://www.millsboro.org/ Fire District (302) 934-8359 109 E State ST Millsboro, DE 19966 United States Town Clerk (302) 934-8171 322 Wilson Highway Millsboro, DE 19966 United States Water (302) 934-8171 322 Wilson Highway Millsboro, DE 19966 United States Sewer (302) 934-8171 322 Wilson Highway Millsboro, DE 19966 United States Tax Collector (302) 934-8171 322 Wilson Highway Millsboro, DE 19966 United States County Sussex