For example, if you have partial match of 641*, LE1* zip or postal codes in a zone.
And you want to exclude a specific or number of zip or postal codes starting from 641*, LE1* from its zone. You can add those zip or postal codes in the exclude option as shown below.
In the above example, we have excluded 641018 from 641* and LE1 5TJ from LE1*.
Thus, these zip or postal codes will be excluded.