T-Mobile lets you turn on conditional call forwarding with short codes. Your phone rings first, and only calls you miss go to your TextbackFast number.
The numbers behind missed calls
37.8%of inbound calls answered by small businesses
42%of callers leave a voicemail when nobody answers
21%call another business right away
Sources: 411 Locals study; CallRail 2025 survey.
One in five callers who hit voicemail dials your competitor next. A text in seconds keeps them talking to you.Based on the CallRail 2025 survey
Codes
From T-Mobile's short code list (T-Mobile short codes). Use 1 plus your 10-digit number:
| When | Turn on | Turn off |
|---|---|---|
| No answer | **61*15551234567# | ##61# |
| Busy | **67*15551234567# | ##67# |
| Unreachable | **62*15551234567# | ##62# |
| Reset all forwarding | | ##004# |
Optional: to ring longer before forwarding, add a delay of 5 to 30 seconds, for example **61*15551234567**20#.
Hear it for yourself
Call our demo line, let it ring, and get a text back in seconds.
Steps
- Open the Phone app keypad.
- Dial
**61*1, your TextbackFast number, then#, and tap Call. - Wait for the confirmation, then repeat with
**67*1and**62*1.
Metro by T-Mobile and other brands on the T-Mobile network often use the same codes, but some plans do not support conditional forwarding. If a code fails, ask your carrier.
Test it
- Call your business number from another phone and let it ring out, or decline the call.
- The caller should get your TextbackFast text within seconds.
- No text?Turn forwarding off, then set it up again carefully. One wrong digit is the most common problem.
Questions, answered.
How do I turn it off?
Dial ##61#, ##67# and ##62#, or ##004# to reset all forwarding.