I suggest you look on
Search IRC for your chat room. If it exists it should be amongst their listings, and you might even find other chat rooms that are similar on other networks. As to setting your port to 6667, don't worry about it, as this is a default setting. If you need to use a particular port to connect to a server, use the following format.
/server <server name/address>:<port>
Suggested reading: /help /server