6 free numbers received an SMS from Proton in the last 7 days, so Proton still delivers to them. Use one for your Proton verification code.
Your Proton verification code is: 557788
+16133191780Your Proton verification code is: 800279
+16398169462Your Proton verification code is: 215993
+15068053976Your Proton verification code is: 039329
+14387985735Your Proton verification code is: 414059
+12267994709Your Proton verification code is: 067916
+16133191780Your Proton verification code is: 907062
+18252504025Receive Proton SMS OnlineFree Canada Phone Numbers for SMS
Pick a number above that recently got an SMS from Proton, enter it in Proton, then open the number here. The code shows up in its inbox within seconds of arriving.
Proton 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 Proton 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.