Zip Codes can be loaded from comma separated values (CSV) file. It should be in the following format. Fist line should have atleast three field names in any order: ZipCode, City, State. All other fields will be ignored. Subsequent lines should contain field data in order specified in the first line.
Click the Browse Button & select the Zip Codes CSV file. Click Import File button to Import records.
Importing city,state and zipcodes will enable you to select city, state and zip from auto populated dropdowns .