Transfers are done "in the dark" and the inmates cannot make calls until they are safely in their new location. This process takes no longer than a week to 10 days
https://www.inmateaid.com/ask-the-inmate/my-fianc-eacute-was-transferred-to-another-prison-this-morning-around-5am-it-39-s-now-1230-midnight-and-the-cdcr-website-hasn-39-t-updated-his-info-neither-has-the-vsa-what-39-s-the-process-and-how-long-does-it-usually-take#answer
Accepted Answer Date Created: September 24,2021