Added zipcode reverse function to get zipcode from latlng.

Zip2LatLng.js

@@ -61511,9 +61511,39 @@ class Zip2LatLng {
             lng: (r[1] / 100000) * -1,
             city: c[r[2]],
             state: s[r[3]],
-            abbreviation: a[r[4]]
+            abbreviation: a[r[4]],
+            zipcode: zip
         };
     }
+
+    static reverse(lat, lng) {
+        var b = Number.MAX_VALUE;
+        var r = null;
+        var zip = 0;
+        for (var i = 0; i < z.length; i++) {
+            if (z[i]) {
+                var d = Math.abs(((z[i][1] / 100000) * -1) - lng) + Math.abs((z[i][0] / 100000) - lat);
+                if (d <= b) {
+                    r = z[i];
+                    zip = i;
+                    b = d;
+                }
+            }
+        }
+
+        if (r) {
+            return {
+                lat: r[0] / 100000,
+                lng: (r[1] / 100000) * -1,
+                city: c[r[2]],
+                state: s[r[3]],
+                abbreviation: a[r[4]],
+                zipcode: zip
+            };
+        } else {
+            return null;
+        }
+    }
 }
 
 window.Zip2LatLng = Zip2LatLng;