Try this link.  You can enter you zip code and how many miles.  Many irl 
owners have a link to their web page.  It is best to ask the local owner 
if you can use the node.  Some have special access codes.  All you need is 
a radio with touchtones and probably pl.
The link is
http://status.irlp.net/IRLPuszip.php

73s
Butch Bussen
wa0vjr