An enhanced integrated circuit interconnect package, method and multiple-layer integrated circuit laminate structure enable increased routing density per layer and maintains signal integrity performance. A differential signal via pair of vertical interconnect vias provide differential signaling. The vias of the differential signal via pair are positioned closely spaced together with each via offset from a center axis of an associated LGA contact, minimizing space between the differential signal vias and maintaining signal integrity performance, and providing increased available wiring signal channel.