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Two ways to get your T-Mobile number to your agent. Forwarding keeps T-Mobile as your phone company and sends calls over. Moving the number (porting) makes Answering Agent your phone company for that number.

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Forward calls

1

Open the phone dialer

Use the T-Mobile phone that has the number you want to forward.
2

Turn on forwarding for every call

Dial **211 then the 10-digit number then #, for example **2115551234567#, and press call.
3

Or forward only the calls you miss

Dial **611 then the number then # to forward unanswered calls, **671 then the number then # for when you are already on a call, and **62*1 then the number then # for when the phone is off or out of signal.
4

Turn it off

Dial ##21# for all-call forwarding, ##61# for no reply, ##67# for busy, and ##62# for not reachable.
5

Reset everything if it gets tangled

Dial ##004# to reset call forwarding to default, which clears the busy, unreachable, and no-reply settings at once.
6

Call your business number from another phone

Answering Agent listens for the call. When your agent picks up, the phone numbers step in your dashboard turns green.

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Good to know

  • Not-reachable forwarding, for a phone that is off or out of signal, is **62*1+PhoneNumber# on and ##62# off. This is the one a business wants as a backstop.
  • You can change the ring delay before no-reply forwarding fires: 61<number>**<seconds># in 5-second steps up to 30 seconds. T-Mobile’s own example is **6118056377243**10# for a 10-second delay.
  • ##004# resets call forwarding to default and clears busy, unreachable, and no-reply in one shot.
  • Short codes are mostly delivered to the primary SIM only and may not work on DIGITS, PROXY by DIGITS, or LineLink DIGITS lines.
  • Short codes are country-specific and do not work while overseas.

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Move your number

Start the move from Dashboard, then Phone numbers, then Add a number, and choose Move my number. Upload your latest bill and we read the details for you. Have these ready:
Do not cancel your service with T-Mobile until the move is complete. A cancelled number can be lost.

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Watch out for

  • The PIN request only works from your own T-Mobile device while on the T-Mobile network with Wi-Fi turned off. Requesting from a desktop or over Wi-Fi fails with an error and no PIN.
  • A VPN or Apple iCloud Private Relay will also block the request. Turn them off first.
  • Port Out Protection is the quiet blocker. A generated PIN will not work while it is still on, and only the Primary Account Holder can remove it.
  • You need three things, not two: the T-Mobile account number, the Temporary Port Out PIN, and the account PIN or passcode.
  • T-Mobile for Business lines with Port Out Protection cannot be released self-service. An authorized user has to call T-Mobile Customer Care at 1-877-347-2127 to release the line.
  • Government accounts must contact T-Mobile to start a transfer.
  • There is no charge for transferring numbers.
  • Keep the account active until the transfer completes. Cancelling first loses the number.
  • The published 10-minutes-to-3-hours and 3-to-10-days figures come from T-Mobile’s page about transfers into T-Mobile. T-Mobile does not publish a separate outbound figure.
  • T-Mobile does not publish an expiry window for the Temporary Port Out PIN, only that it is temporary.

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Sources

Checked on 2026-09-11 against T-Mobile’s own pages.