Layer Estimates:

Layer: Counties (ID:0)
Count: 28
Extent:

XMin: -12721196.9168575
YMin: 4433489.83954461
XMax: -12122607.4978161
YMax: 5166102.57514497
Spatial Reference: 102100 (3857)

Layer: Zip_Codes (ID:23)
Count: 76
Extent:

XMin: -12491647.3073244
YMin: 4833462.73982363
XMax: -12245222.1335426
YMax: 5049550.24189205
Spatial Reference: 102100 (3857)

Layer: Municipality Limits (ID:15)
Count: 15
Extent:

XMin: -12430319.0089
YMin: 4909311.3817
XMax: -12383432.2307
YMax: 5016863.808
Spatial Reference: 102100 (3857)