diff --git a/src/components/Gnb/Notification.tsx b/src/components/Gnb/Notification.tsx
index 163813f..2eeee72 100644
--- a/src/components/Gnb/Notification.tsx
+++ b/src/components/Gnb/Notification.tsx
@@ -146,25 +146,28 @@ export default function Notification({ closeModal }: { closeModal: () => void })
               className={`max-h-[300px] overflow-y-auto ${notificationData.length >= 4 ? "h-[300px]" : ""}`}
             >
               <ul>
-                {notificationData.map((notification, index) => (
-                  <div key={notification.id}>
-                    <li
-                      onClick={() => handleRead(notification.id)}
-                      className={`cursor-pointer pt-4 ${notification.isRead ? "bg-[#f1f1f1]" : "bg-color-gray-50"}`}
-                    >
-                      <p className="px-5 text-lg">
-                        {getNotificationMessage(notification.event, notification.payload)}
-                      </p>
-                      <p className="px-5 pb-4 text-md text-color-gray-300">
-                        {formatRelativeTime(notification.createdAt)}
-                      </p>
+                {notificationData
+                  .slice()
+                  .reverse()
+                  .map((notification, index) => (
+                    <div key={notification.id}>
+                      <li
+                        onClick={() => handleRead(notification.id)}
+                        className={`cursor-pointer pt-4 ${notification.isRead ? "bg-[#f1f1f1]" : "bg-color-gray-50"}`}
+                      >
+                        <p className="px-5 text-lg">
+                          {getNotificationMessage(notification.event, notification.payload)}
+                        </p>
+                        <p className="px-5 pb-4 text-md text-color-gray-300">
+                          {formatRelativeTime(notification.createdAt)}
+                        </p>
 
-                      {index < notificationData.length - 1 && (
-                        <div className="h-0.5 bg-color-line-100"></div>
-                      )}
-                    </li>
-                  </div>
-                ))}
+                        {index < notificationData.length - 1 && (
+                          <div className="h-0.5 bg-color-line-100"></div>
+                        )}
+                      </li>
+                    </div>
+                  ))}
               </ul>
             </div>
           )}
diff --git a/src/features/DetailMaker.tsx b/src/features/DetailMaker.tsx
index f090ad3..a4087c6 100644
--- a/src/features/DetailMaker.tsx
+++ b/src/features/DetailMaker.tsx
@@ -109,9 +109,7 @@ export default function RequestDetailDreamer() {
       setIsRequestSuccessModalOpen(true);
     },
     onError: (error: any) => {
-      if (error.message === "이미 지정 견적을 요청하셨습니다!") {
-        alert(error.message);
-      }
+      alert(error.message);
     },
   });
 
diff --git a/src/services/planService.ts b/src/services/planService.ts
index 2f96be6..2cba9fa 100644
--- a/src/services/planService.ts
+++ b/src/services/planService.ts
@@ -1,3 +1,4 @@
+import { BAD_REQUEST, CONFLICT } from "@/utils/errorStatus";
 import { api } from "./api";
 import { ServiceArea } from "@/utils/formatRegion";
 
@@ -128,8 +129,10 @@ const planService = {
       const response = await api.post(`/plans/${planId}/assign`, { assigneeId });
       return response;
     } catch (error: any) {
-      if (error.response && error.response.status === 409) {
+      if (error.response && error.response.status === CONFLICT) {
         throw new Error("이미 지정 견적을 요청하셨습니다!");
+      } else if (error.response && error.response.status === BAD_REQUEST) {
+        throw new Error("Maker가 서비스하는 지역이 아닙니다.");
       }
     }
   },