Layer Estimates:

Layer: Pennsyvania_5_Digit_Zipcodes_2009_PASDA (ID:0)
Count: 1727
Extent:

XMin: -8981505.39137896
YMin: 4825308.5179815
XMax: -8314453.05756239
YMax: 5201410.37402178
Spatial Reference: 102100 (3857)