Which district has the largest land area in Wisconsin? Write the full name of the congress representative and include the postal codes.
"Wisconsin" is the state; largest land area refers to Max(land_area); full name refers to first_name, last_name; postal code refers to zip_code
SELECT T2.zip_code, T1.first_name, T1.last_name FROM congress AS T1 INNER JOIN zip_congress AS T2 ON T1.cognress_rep_id = T2.district WHERE T1.state = 'Wisconsin' ORDER BY T1.land_area DESC LIMIT 1