If you're a member of a political party (i.e. a registered voter), and you want to communicate something important to your party's leadership, reaching out to any federal electeds who are also members of your party (congress, senate) or any statewide official (governor) is a way to communicate
Here's a website that will allow you to look up who your Member of Congress and U.S. Senators are, and what party they belong, and the phone number for their office.
If you call after hours, there's usually an option to leave a voicemail.
www.congress.gov/members/find...
Here's a website that will allow you to look up who your state governor is, and what party they belong to, and the phone number for their office
www.usa.gov/state-governor
Not much of a point to be made, but it is interesting we don’t really have memberships in parties in this country. There are no dues outside of, say, CPUSA. “Membership” is largely a pointless term carried over from countries where you actually are a vested member of a movement.