Hey there @Charliemcgonigl,
At this time there is not an option to turn off certain important account notifications. You can manage preferences for all other sms notifications here: https://www.cricketwireless.com/legal-info/customer-choices-and-controls-sms-mms.html
Remember to always mark posts that resolved your issue with Accept as Solution. You can even mark multiple posts in a single thread. This will help other users find this information too! Use the Kudos Button to offer a thumbs-up for good content.