| Size: 4888 Comment: Add Paychex Flex | Size: 4898 Comment: Add comma for Google (account creation verification) | 
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| Google (account verification), 3, 3, 2023-04 , 2, 2022-07, Allegedly US West Coast numbers work, but not East Coast | Google (account creation verification), 3, 3, 2023-04 , , 2, 2022-07, Allegedly US West Coast numbers work but not East Coast | 
Context: https://blog.jmp.chat/b/2022-sms-account-verification
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 verification instead, like https://crypton.sh/ or https://juicysms.com/ (their numbers might not be on these block lists, but they lack certain other features of a JMP phone number)
Sample of services with successes and failures:
