I have made attempts to contact binance.us through email, twitter, their contact form, and messenger, but have never heard from them. do they usually ignore members email?
did you
Whitelist Binance.US Emails?
Go to Settings on the top right ---> click Filters and Blocked Addresses ---> Create a new filter
In general, I expect that there will be a delay in responding to you, but this delay is not supposed to exceed a period of 4 days to one week.
If the duration increases, try to contact them through Reddit