How to Set Up Call Forwarding on T-Mobile
How to forward calls on T-Mobile to CallClerk. Use T-Mobile dial codes to set up instant or conditional call forwarding to your AI receptionist.
Step-by-Step Instructions
Follow these 4 steps — takes less than 60 seconds
Open Your Phone Keypad
Open the Phone app and go to the keypad.
Dial the Forwarding Code
Type **21* followed by your CallClerk number, then #. Example: **21*5551234567#
Press Call
Press the Call button. You'll hear a confirmation tone.
Done!
All calls now forward to your CallClerk AI receptionist.
Tips & Notes
- To deactivate all forwarding: dial ##21# and press Call.
- To cancel ALL conditional forwards: dial ##002# and press Call.
- T-Mobile includes unlimited forwarding on most plans.
- This also works for Metro by T-Mobile (same network, same codes).
T-Mobile's unlimited plan means forwarded calls don't cost you extra — making it perfect for 24/7 CallClerk coverage.
Other Setup Guides
Find instructions for your specific device or carrier
Now Let CallClerk Answer for You
You've set up call forwarding — now let your AI receptionist handle the rest. 24/7 coverage, appointment booking, and lead capture starting at $99/month.
No contracts • Cancel anytime • 60-second setup