Yes — Virginia rule 12VAC5-460 requires an emergency telephone in the pool area with posted usage directions.
Virginia requires an emergency telephone in the pool area with clearly posted directions for its use.
Citation: 12VAC5-460
Beyond having the phone itself, Virginia inspectors also look for simple posted instructions, such as "lift and dial 911," so any swimmer or guest can use it in an emergency.
SouthEast Telephone installs and monitors cellular emergency pool phones nationwide and can help you meet Virginia's requirements.