I want to know if the IRS received our tax return for our trust and, if so, will they be sending our refund and, if so, when?

[DoninGA]

For refund information on federal tax returns other than Form 1040, U.S. Individual Income Tax Return, call, toll free, at 800-829-4933. From outside the U.S., call 267-941-1000. TTY/TDD: 800-829-4059. 

[Critter-3]

If you efiled it you should be able to check in the program  or  look at the email confirmations you got.