Layer Estimates:

Layer: Blocks Underserved (<100/20) (ID:3)
Count: 289
Extent:

XMin: -8207338.53094209
YMin: 5008905.13573604
XMax: -7991318.97435887
YMax: 5168550.04031599
Spatial Reference: 102100 (3857)

Layer: CountofServedUnservedBlocksbyZip_ExcelToTable (ID:22)
Count: 280