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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:

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 Additional Comments
Alterna Bank (Canada; short code 560010) 4 2023-04-20 2FA received on Rogers SIM-based number but not on JMP number. No robocall option available.
American Express 1 2023-08
Apple 3 3 2023-08 1 2023-08 Had to resend code three times. Also worked on first attempt. Note: after 3 times if it still doesn't work will get a "Too many codes sent" and then be blocked for some time. Will then need to use "Call" instead of "Send new code"
AT&T Internet 1 2022-12 Chat agent tried sending multiple URLs via SMS. Had to use another number
Bank of America 1 2021-08
Canada Post 1 2022-03
CapitalOne 1 2023-08 Had to add number to profile 1st before using
Chase 1 2023-01 Using number ported from another carrier
ChatGPT (OpenAI) 2 2 2023-04 For failure error message explicitly states not to use VOIP number
Citi 1 2023-06
Desjardins 1 2023-11
Digital Credit Union 1 2024-01
Discord 1 2022-04
Doordash 0 1 2021-03
Eastern Bank 1 2023-06
Ease Benefits 1 2023-08 0
eBay 3 2023-06 0
Ecobee 1 2021-11 0
EQBank 1 2022-12 Phone agent explicitly said VoIP numbers are excluded
Express Scripts 1 1 2024-01
Facebook 2 2023-06 2023-03
First Tech Credit Union 1 2022-03 Phone agent tried to send verification code by SMS
FreeTaxUSA 1 1 2023-01 Signup SMS came from an 877 number and 2FA SMS comes from a short code
Google (account creation verification) 3 3 2023-04 2 2022-07 Allegedly US West Coast numbers work but not East Coast
Google Voice 4 2023-04 Told explicitly something like "number is not valid/accepted" after silently failing
GroupMe 1 2022-06
Hinge 1 2022-11
Home Depot 0 2023-05 1 2023-05 SMS can take a very long time when changing phone number to JMP Chat; voice call worked faster
Instagram
Interactive Brokers 1 1 2022-11 Takes longer than other providers to deliver the code. Try again if no deliver <30s
KOHO 1 2 2022-12-01
Lyft 1 1 2022-04 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
Merrill Lynch 1 0 2022-11
M1Finance 1 2023-06
Paychex Flex 1 2023-08
PayPal 2 3 2022-12 1 2022-07-30
Plenty of Fish 1 2022-05
Questrade 3 2022-03 0
QuickBooks Workforce 1 2023-06-20
Royal Bank of Canada (RBC) 1 2023-08-31 Canadian JMP.chat number always silently fails to receive 2FA code. Was able to receive a code to verify a payment via phone call but not via SMS. Phone call is not an option when logging into online banking
Service Ontario Notifications 1 2022-08-12
Schwab 1 2023-06
Signal 3 1 2023-04
Simlar (Fdroid) 1 2022-02
Simplii Financial 2 2022-12 2 2023-02
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 SMS does not work. Use the Home phone option instead
TD 1 2 2023-05 0
Telegram (CA Number) 4 11 2021-12
Telegram (US Number) 1 2021-12
Twitter 1 2022-07-30
Uber 0 1 2021-08
USAA 1 2023-06
Vanguard 1 2023-04
Venmo 1 2023-01 Contacted support and they were adamant that they only support mobile numbers from cell carriers
Walmart.ca 0 2 2021-08
WealthSimple Cash 1 2 2022-12 1 2021-07
WhatsApp 1 1 2023-07 1 2024-01
Wise(TransferWise) 3 2 2022-12-06
Zelle 1 2023-5 On signup using the Zelle mobile app the app reports the error "For security reasons you have been logged out." Called customer support and was told that VOIP numbers are not supported. Banks/credit unions that support Zelle natively may not have a phone number requirement so you may still be able to use Zelle in this case without a phone number.
Zoho 1 1 2022-07-30

FAQ/Why isn't my number being accepted by an online service? (last edited 2025-269 16:23:25 by 185)