diff --git a/src/containers/internal/views/least-cost-routing/form.tsx b/src/containers/internal/views/least-cost-routing/form.tsx
index 5186db9..14767e8 100644
--- a/src/containers/internal/views/least-cost-routing/form.tsx
+++ b/src/containers/internal/views/least-cost-routing/form.tsx
@@ -67,9 +67,6 @@ export const LcrForm = ({ lcrDataMap, lcrRouteDataMap }: LcrFormProps) => {
   const [accountSid, setAccountSid] = useState("");
   const [isActive, setIsActive] = useState(true);
   const [lcrRoutes, setLcrRoutes] = useState<LcrRoute[]>([LCR_ROUTE_TEMPLATE]);
-  const [previousLcrRoutes, setPreviousLcrRoutes] = useState<LcrRoute[]>([
-    LCR_ROUTE_TEMPLATE,
-  ]);
   const [previouseLcr, setPreviousLcr] = useState<Lcr | null>();
   const [accounts] = useServiceProviderData<Account[]>("Accounts");
   const [lcrForDelete, setLcrForDelete] = useState<Lcr | null>();
@@ -127,38 +124,35 @@ export const LcrForm = ({ lcrDataMap, lcrRouteDataMap }: LcrFormProps) => {
   }, [lcrDataMap?.data, previouseLcr]);
 
   useMemo(() => {
-    let default_lcr_route_sid = "";
-    if (
-      lcrRouteDataMap &&
-      lcrRouteDataMap.data &&
-      lcrRouteDataMap.data !== previousLcrRoutes
-    ) {
-      setPreviousLcrRoutes(lcrRouteDataMap.data);
-      // Find default carrier
-      lcrRouteDataMap.data.forEach((lr) => {
-        lr.lcr_carrier_set_entries?.forEach((entry) => {
-          if (
-            entry.lcr_carrier_set_entry_sid ===
-            lcrDataMap?.data?.default_carrier_set_entry_sid
-          ) {
+    // Only process when both lcrDataMap and lcrRouteDataMap are available
+    if (lcrRouteDataMap && lcrRouteDataMap.data && lcrDataMap?.data) {
+      const defaultCarrierSetEntrySid =
+        lcrDataMap.data.default_carrier_set_entry_sid;
+
+      // Find and store default route information
+      lcrRouteDataMap.data.forEach((route) => {
+        route.lcr_carrier_set_entries?.forEach((entry) => {
+          if (entry.lcr_carrier_set_entry_sid === defaultCarrierSetEntrySid) {
             setDefaultLcrCarrier(entry.voip_carrier_sid || defaultCarrier);
             setDefaultLcrCarrierSetEntrySid(
               entry.lcr_carrier_set_entry_sid || null,
             );
-            default_lcr_route_sid = entry.lcr_route_sid || "";
-            setDefaultLcrRoute(lr);
+            setDefaultLcrRoute(route);
           }
         });
       });
-    }
 
-    if (lcrRouteDataMap && lcrRouteDataMap.data)
-      setLcrRoutes(
-        lcrRouteDataMap.data.filter(
-          (route) => route.lcr_route_sid !== default_lcr_route_sid,
-        ),
-      );
-  }, [lcrRouteDataMap?.data]);
+      // Filter out routes that contain the default carrier set entry
+      const filteredRoutes = lcrRouteDataMap.data.filter((route) => {
+        return !route.lcr_carrier_set_entries?.some(
+          (entry) =>
+            entry.lcr_carrier_set_entry_sid === defaultCarrierSetEntrySid,
+        );
+      });
+
+      setLcrRoutes(filteredRoutes);
+    }
+  }, [lcrRouteDataMap?.data, lcrDataMap?.data]);
 
   const addLcrRoutes = () => {
     const newLcrRoute = LCR_ROUTE_TEMPLATE;