Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_39 (zip_code_prefix_es_ VARCHAR, county_seat VARCHAR)

### Question ###
what is the zip code of boonville

### Accurate SQL ###

SELECT zip_code_prefix_es_ FROM table_name_39 WHERE county_seat = "boonville"