Any marshal of any city may execute the warrant.
Iowa Code § 667.5
Service of warrant
[R60, §3704; C73, §3436; C97, §4406; C24, 27, 31, 35, 39, §12562; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §667.5]
Official source: Iowa Legislature. Reproduced from public-domain Iowa statutes; confirm against the official source for the current text. Not legal advice.