8 free numbers received an SMS from Twitch in the last 7 days, so Twitch still delivers to them. Use one for your Twitch verification code.
Your Twitch verification code is: 590687
+3584573995098Your Twitch verification code is: 892167
+3584573997991Your Twitch verification code is: 820121
+3584573995097Your Twitch verification code is: 031393
+3584573997719Your Twitch verification code is: 028808
+3584573996494Your Twitch verification code is: 233554
+3584573995100Your Twitch verification code is: 584732
+3584573997968Your Twitch verification code is: 175368
+3584573997776Receive Twitch SMS OnlineFree Finland Phone Numbers for SMS
Pick a number above that recently got an SMS from Twitch, enter it in Twitch, then open the number here. The code shows up in its inbox within seconds of arriving.
Twitch blocks numbers that many people share. If nothing shows up after a minute, try another number from the list. The ones at the top heard from Twitch most recently.
Only for throwaway accounts. Anyone can read these messages, and someone else could use the same number to take over the account later.