To create a smart set for contacts with a specific postal code follow the below instructions.
Click on the Contacts link from the BusinessMind home page.
Choose all Contacts for people or all Organizations for companies
Click Add next to Smart Sets
Name your smart set to your liking.
Choose the following options Postal Code, is, enter the postal code you want to search for.
Click Test Rules to view your results if needed.
Click Save Smart Set to save.