If you don't have Microsoft Excel, you can open your spreadsheet in Sheets after you download it. 

1. Go into your Google Drive and click on + New in the top left corner.

2. Click on File Upload and select the file from your Downloads folder.

To filter by zip code, for example:

1. Open the spreadsheet, then click on the Data tab.

2. Click on "Filter Views" and then click on "Create new temporary filter view".

3. Now, you can filter or sort the data.  See the screenshot below.