Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer John J. O'Brien III, Practice Areas No known practice areas. is located in the city of Philadelphia, the state of Pennsylvania. Attorney legal address 1260 Suburban State BldgPhiladelphia, PA, 19103. For more information, please call (610) 896-6360 Your comments* (not for publishing) * — Required information John J. OBrien III ← View details 1260 Suburban State BldgPhiladelphia, PA, 19103, Philadelphia, Pennsylvania (610) 896-6360