Notice of the filing of the petition for such district and the time of hearing thereon, shall set forth the boundaries of the territory included within such city and directed to the city clerk and the owners and lienholders of the property within such boundaries without naming individuals, to be served in the same manner as notices where the district is wholly outside of such city.
Iowa Code § 468.316
89 Acts, ch 126, §2
Service of notice, §468.15 et seq.