United States Congressman District 31 United States Congressman District 31 United States Congressman District 31 Search for: Upcoming Events ResourcesLife in Cy-Fair Life in Jersey Village Education in Cy-Fair Relocation Resources ResourcesLife in Cy-Fair Life in Jersey Village Education in Cy-Fair Relocation Resources Categories Government 1717 North IH 35, Ste. 303 Round Rock TX 78664 (512) 246-1600 Rep/Contact Info John Carter × John Carter Phone: (512) 246-1600 1717 North IH 35, Ste. 303 Round Rock TX 78664 Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×