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| Some companies maintain secret lists of phone numbers which they prohibit or new signups. | #format creole ## page was renamed from FAQ/Why can't I use my JMP number for two-factor authentication (2FA)?? Some companies maintain secret lists of phone numbers which they prohibit for new signups. |
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| * use a service specifically tailored to SMS 2FA instead, like https://crypton.sh/ or https://smsprivacy.org/ (their numbers are not on these block lists, but they lack certain other features of a JMP phone number) | * use a service specifically tailored to SMS 2FA instead, like https://crypton.sh/ or https://smsprivacy.org/ //[SMS Privacy appears to no longer be operational]// (their numbers are not on these block lists, but they lack certain other features of a JMP phone number) Sample of services with successes and failures: {{{ #!CSV , Service, Number of Successes (Sign-up), Number of Successes (2FA), Last known success, Number of Failures (Sign-up), Number of Failures (2FA), Last known failure Bank of America, , 1, 2021-08,,, Canada Post, , , , , 1, 2022-03 Discord, , , , , 1, 2022-04 Doordash, , 0, , , 1, 2021-03 Ebay, , 1, 2021-11, , 0,, Ecobee, , 1, 2021-11, , 0,, Google (account verification), 1, 1, 2022-05 , , 2, 2022-07 Google Voice, , , , 3, , 2022-05 GroupMe, 1, , 2022-06, , , Instagram, , , , , , Lyft, , 0,, , 1, 2021-08 Microsoft MFA, , 50, 2021-10-12, , 10, 2021-10-12 Microsoft account.live.com, , 0,,, 2,2021-12-01 Microsoft 365 for Business,1, 0, 2022-04 PayPal, 1, 2, 2022-09,1 , , 2022-07-30 Plenty of Fish, , , , 1,,2022-05 Questrade, , 3, 2022-03, , 0,, Service Ontario Notifications, , , , 1, , 2022-08-12 Simplii Financial, , 1, 2022-03, , 0,, square sites (ie vendor.square.site), , 0,,,1,2021-11 Steam, , 1, 2022-04, , 1, 2022-07-30 Tangerine Bank, , 1, 2022-08, , 1, 2022-04 TD, , 1, 2021-09,,0, Telegram (CA Number), 4, 10, 2021-12, , , , Telegram (US Number), , , , 1, , 2021-12 Twitter,,,,1,,2022-07-30 Uber, , 0, , , 1, 2021-08 Walmart.ca, , 0,, ,2, 2021-08 WealthSimple Cash, , 1, 2021-07, , 1,2021-07 Wise(TransferWise), 1, , 2022-07-30, , , Simlar (Fdroid), 1, , 2022-02, , , Zoho, 1, 1, 2022-07-30, , , }}} |
Some companies maintain secret lists of phone numbers which they prohibit for new signups. If you run into this problem, you can:
- try again (sometimes this solves the issue)
- contact the company, letting them know of the issue
- use a different form of 2FA, like OTP (since SMS 2FA is neither private, nor is it all that secure
- find an alternative to that company's services
- use a service specifically tailored to SMS 2FA instead, like https://crypton.sh/ or https://smsprivacy.org/ [SMS Privacy appears to no longer be operational] (their numbers are not on these block lists, but they lack certain other features of a JMP phone number)
Sample of services with successes and failures: