I have 3 different w2 all have different locality names how do I add those into my file
You can add as many W-2s with as many different details as you'd like. Here's how:
Sign in.Continue your/Take me to my return
Federal Taxes, Wages & Income - Your income summary is displayed (if asked, choose to skip to see all) Select Start/Edit/Add to the right of Job (W-2)
You can now +Add another W-2, Edit, and Delete(trash) choose Edit
Enter the information into TurboTax exactly how it appears on the tax documents you've received - you'll enter the different locality names in box 20 of each entry.