TWTC BGP IPv6 /40 prefix

[uwcableguy at gmail.com (Ben Bartsch)]

I am trying to add a /40 prefix to be accepted by a couple of TWTC circuits
we have in Louisiana (Shreveport and Baton Rouge).  My only options
available are /32, /48, /56, /64 in the web portal.  Is there somebody from
TWTC that could contact me off list?

Thanks.

-bb