YES, you can change your SAT test center. You need to login to your online account or call Customer Service to change your SAT test center.. As per the College Board, the fee for changing your SAT test center is around $28 on the customer service line or $29 online.

The College Board provides clear guidance on changes to the SAT test center, please keep these in mind:

• You may make changes to your test date, SAT test center, and/or test type.
• Check the mentioned date listed on your ticket under Registration Corrections to see if there’s still time to make these changes.
• Use your online account or call Customer Service to change the SAT test center.
• You’ll need a form of electronic payment (credit card or, if making changes online, PayPal) for the change fee.
• For the SAT test center change fee, you will need a form of electronic payment (credit card or PayPal if you make changes online).

Moreover, once they have a confirmed seat at a specific one, the College Board will not allow students to apply for waitlist status at one venue. As far as the SAT goes, the test center on your ticket is the only option you have once the late registration deadline passes.