Most hunts have a Supporter's Club which you can join, ours is £15 for the season then you will get all the cards etc automatically...may be an idea so you don't have to remember to ring!
Most hunt secretaries (myself included!!) are fairly friendly and amiable...we're well used to people ringing up so if you're worried you're missing out then give your sec a ring...sure they'll be pleased for the support!
Our hunt provides a meet list in October which covers from opening meet up until end of Dec, then sends out another for the rest of the season.
For autumn hunting we have an email system to tell us where/when the meets are - maybe if you contact your local hunt they can add you to their lists?