I found two contra callers listed in the Raleigh area on ceder.net, and sent them to him.

Here are the results of more looking around.

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The "triangle" area includes Raleigh.
https://www.tcdancers.org/

This page was updated two years ago.
http://www.csda-dance.org/

Looking at a couple of dance community pages, I see event calendars with names of callers, and from there it's a treasure hunt.

Square dance caller list (sometimes they know of contra callers; again, a treasure hunt)
http://trianglesquaredance.org/callers/

A dedicated person could spend some time digging through this site (dances at the local university) and perhaps uncover a caller name.
https://www.contradanceswithwolves.org/

This turned up a few callers
http://www.thedancegypsy.com/performerList.php?leaders&NC

Another treasure hunt
https://www.blueridgeheritage.com/traditional-artist-directory/artist-types/?type=dance