Jenny called a toll free customer service line about a bouncy ball that wouldn't bounce. The prerecorded voice gave instructions.

"For Spanish, press 1;
for Portuguese, press 2;
for French, press 3;
for Swedish, press 4;
for Norwegian, press 5;
for Finnish, press 6;
for Bantu, press 7;
for Italian, press 8;
for Russian, press 9;
for Ukrainian, press 0;
for English press octothorpe."

Confused and frustrated, Jenny hung up. When her brother Benny asked what was wrong, she told him, "They went through all the languages, and all except English had a number. For English I was asked to press octothorpe!"

Benny smiled and enlightened his sister. Jenny grinned from ear to ear and called back. This time, she got to the English section of the phone tree. What key or series of keys did she press?