Try these first to see if you can resolve the issue without a support call:
Shortcodes (5–6 digit numbers used for verification codes, alerts, or marketing texts) are often blocked by default or accidentally by users. If you’re not receiving texts from services like Google, banks, or two-factor authentication (2FA), here’s a practical review of T-Mobile’s unblocking process. how to unblock shortcode texting t mobile work
: Dial #662# from your T-Mobile device to turn off Scam Block, which can sometimes interfere with business shortcodes. Resolving Account-Level Blocks Try these first to see if you can