Postal Resource
Historically Post Office exam scores have been valid 6 years, but that may be changing due to revisions underway with their hiring and testing program. We are monitoring developments and will post updated info as needed.
But a more important question is why would you continue applying for jobs using an exam score that has proven to be too low? A better idea is to retake the exam trying for a better score.
See our blog on this topic for details.