Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer John H. Koo, Practice Areas No known practice areas. is located in the city of Old Tappan, the state of New Jersey. Attorney legal address 25 Longview CtOld Tappan, NJ, 07675-7480. For more information, please call (917) 837-3220 Your comments* (not for publishing) * — Required information John H. Koo ← View details 25 Longview CtOld Tappan, NJ, 07675-7480, Old Tappan, New Jersey (917) 837-3220