need to receive 1 SMS to activate my account...
What type of account do you need to activate? Some sites accept VOIP numbers such as Twitter. [you can freely activate some accounts using textnow numbers]
all free SMS services do not work...
If you mean free numbers open to all, either cheating or wasting time.
in need of one BTC accepting SMS receiving website
If the number is not intended to be used as a recovery option, you can find many who provide this service here ------>
Services else, you need a very trusted member to provide this service "very risky."