| Size: 1826 Comment:  | Size: 2275 Comment: Update Zoho | 
| Deletions are marked like this. | Additions are marked like this. | 
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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) | 
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| Canada Post, , , , , 1, 2022-03 Discord, , , , , 1, 2022-04 | |
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| Google (account verification), , 1, 2021-08 , , 1, 2021-08 | Google (account verification), 1, 1, 2022-05 , , 2, 2022-07 Google Voice, , , , 3, , 2022-05 GroupMe, 1, , 2022-06, , , | 
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| Questrade, , 2, 2021-11, , 0,, | Microsoft 365 for Business,1, 0, 2022-04 PayPal, 1, 1, 2022-05,1 , , 2022-07-30 Plenty of Fish, , , , 1,,2022-05 Questrade, , 3, 2022-03, , 0,, Simplii Financial, , 1, 2022-03, , 0,, | 
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| Steam, , 1, 2022-04, , 1, 2022-07-30 Tangerine Bank, , , , , 1, 2022-04 | |
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| Telegram (US Number), , , , , 1, 2021-12 Twitter,,,,,,, | Telegram (US Number), , , , 1, , 2021-12 Twitter,,,,1,,2022-07-30 | 
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| 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:
