EXHIBIT 21 LIST OF SUBSIDIARIES

SHENANDOAH TELECOMMUNICATIONS COMPANY AND SUBSIDIARIES

The following are all significant subsidiaries of Shenandoah Telecommunications Company, and are organized in the Commonwealth of Virginia.

Shenandoah Telephone Company

Shenandoah Cable Television, LLC

Shentel Cable of Shenandoah County, LLC

Shenandoah Mobile, LLC

Shentel Communications, LLC

Shenandoah Personal Communications, LLC

Shentel Management Company