60 free numbers received an SMS from KakaoTalk in the last 7 days, so KakaoTalk still delivers to them. Use one for your KakaoTalk verification code.
[KakaoTalk] 9664 Verification Code from KakaoTalk.
+48663423407[KakaoTalk] 7892 Verification Code from KakaoTalk.
+48663423434[KakaoTalk] 1925 Verification Code from KakaoTalk.
+14319613466[KakaoTalk] 4724 Verification Code from KakaoTalk.
+48663423451[KakaoTalk] 7866 Verification Code from KakaoTalk.
+46734938465[KakaoTalk] 9030 Verification Code from KakaoTalk.
+447459638967[KakaoTalk] 4450 Verification Code from KakaoTalk.
+46734939448[KakaoTalk] 9626 Verification Code from KakaoTalk.
+447459622451[KakaoTalk] 4404 Verification Code from KakaoTalk.
+48663423456[KakaoTalk] 7694 Verification Code from KakaoTalk.
+48663423457[KakaoTalk] 8973 Verification Code from KakaoTalk.
+14319613466[KakaoTalk] 3213 Verification Code from KakaoTalk.
+46734938476[KakaoTalk] 7258 Verification Code from KakaoTalk.
+14326485109[KakaoTalk] 2954 Verification Code from KakaoTalk.
+48663423459[KakaoTalk] 3643 Verification Code from KakaoTalk.
+48663423416[KakaoTalk] 5737 Verification Code from KakaoTalk.
+14368480849[KakaoTalk] 1694 Verification Code from KakaoTalk.
+48663423454[KakaoTalk] 5742 Verification Code from KakaoTalk.
+14368480786[KakaoTalk] 1673 Verification Code from KakaoTalk.
+48663423427[KakaoTalk] 5702 Verification Code from KakaoTalk.
+48663423459Pick a number above that recently got an SMS from KakaoTalk, enter it in KakaoTalk, then open the number here. The code shows up in its inbox within seconds of arriving.
KakaoTalk 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 KakaoTalk 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.