25 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: 977757
+33746361133Your Proton verification code is: 510616
+556136863247Your Proton password reset code: 5KA4YD5S2R
+447576970774Your Proton verification code is: 414059
+12267994709Your Proton verification code is: 101744
+306943623765Your Proton verification code is: 753231
+16059057618Your Proton verification code is: 717895
+85294852321Your Proton verification code is: 521949
+79163527418Your Proton verification code is: 939875
+3197006546179Your Proton verification code is: 067916
+16133191780Your Proton verification code is: 495454
+3584573989770Your Proton verification code is: 907062
+18252504025Your Proton verification code is: 384973
+306943623765Your Proton verification code is: 847316
+3584573989757Your Proton verification code is: 341818
+34613712586Your Proton verification code is: 948336
+3584573989769Your Proton verification code is: 871381
+3584573989770Your Proton verification code is: 850063
+3584573989764Your Proton verification code is: 763817
+919652770078Your Proton verification code is: 053698
+79263591824Pick 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.