diff --git a/src/components/quality/InspectionManagement/InspectionCreate.tsx b/src/components/quality/InspectionManagement/InspectionCreate.tsx
index 95427ad3..374602c2 100644
--- a/src/components/quality/InspectionManagement/InspectionCreate.tsx
+++ b/src/components/quality/InspectionManagement/InspectionCreate.tsx
@@ -13,6 +13,7 @@
 import { useState, useCallback, useMemo } from 'react';
 import dynamic from 'next/dynamic';
 import { useRouter } from 'next/navigation';
+import { useDaumPostcode } from '@/hooks/useDaumPostcode';
 import { Plus, Trash2, ClipboardCheck } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
@@ -61,6 +62,20 @@ import {
 export function InspectionCreate() {
   const router = useRouter();
 
+  // Daum 우편번호 서비스
+  const { openPostcode } = useDaumPostcode({
+    onComplete: (result) => {
+      setFormData(prev => ({
+        ...prev,
+        scheduleInfo: {
+          ...prev.scheduleInfo,
+          sitePostalCode: result.zonecode,
+          siteAddress: result.address,
+        },
+      }));
+    },
+  });
+
   // 폼 상태
   const [formData, setFormData] = useState<InspectionFormData>({
     qualityDocNumber: '',
@@ -663,7 +678,7 @@ export function InspectionCreate() {
                   onChange={(e) => updateNested('scheduleInfo', 'sitePostalCode', e.target.value)}
                   className="w-28"
                 />
-                <Button variant="outline" size="sm" type="button">
+                <Button variant="outline" size="sm" type="button" onClick={openPostcode}>
                   우편번호 찾기
                 </Button>
               </div>
@@ -674,6 +689,7 @@ export function InspectionCreate() {
                 value={formData.scheduleInfo.siteAddress}
                 onChange={(e) => updateNested('scheduleInfo', 'siteAddress', e.target.value)}
                 placeholder="주소 입력"
+                readOnly
               />
             </div>
             <div className="space-y-2">
@@ -710,7 +726,7 @@ export function InspectionCreate() {
         </CardContent>
       </Card>
     </div>
-  ), [formData, orderSummary, orderGroups, updateField, updateNested, handleRemoveOrderItem, handleOpenInspectionInput, handleUpdateOrderItemField, orderModalOpen]);
+  ), [formData, orderSummary, orderGroups, updateField, updateNested, handleRemoveOrderItem, handleOpenInspectionInput, handleUpdateOrderItemField, orderModalOpen, openPostcode]);
 
   // 이미 선택된 수주 ID 목록 (orderId 기준, 중복 제거)
   const excludeOrderIds = useMemo(
diff --git a/src/components/quality/InspectionManagement/InspectionDetail.tsx b/src/components/quality/InspectionManagement/InspectionDetail.tsx
index 3c2a98b5..9f8c1c0e 100644
--- a/src/components/quality/InspectionManagement/InspectionDetail.tsx
+++ b/src/components/quality/InspectionManagement/InspectionDetail.tsx
@@ -13,6 +13,7 @@
 import { useState, useCallback, useEffect, useMemo } from 'react';
 import dynamic from 'next/dynamic';
 import { useRouter, useSearchParams } from 'next/navigation';
+import { useDaumPostcode } from '@/hooks/useDaumPostcode';
 import {
   FileText,
   PlayCircle,
@@ -124,6 +125,20 @@ export function InspectionDetail({ id }: InspectionDetailProps) {
   const searchParams = useSearchParams();
   const isEditModeParam = searchParams.get('mode') === 'edit';
 
+  // Daum 우편번호 서비스
+  const { openPostcode } = useDaumPostcode({
+    onComplete: (result) => {
+      setFormData(prev => ({
+        ...prev,
+        scheduleInfo: {
+          ...prev.scheduleInfo,
+          sitePostalCode: result.zonecode,
+          siteAddress: result.address,
+        },
+      }));
+    },
+  });
+
   // 상세 데이터
   const [inspection, setInspection] = useState<ProductInspection | null>(null);
   const [isLoading, setIsLoading] = useState(true);
@@ -1259,7 +1274,7 @@ export function InspectionDetail({ id }: InspectionDetailProps) {
                     onChange={(e) => updateNested('scheduleInfo', 'sitePostalCode', e.target.value)}
                     className="w-28"
                   />
-                  <Button variant="outline" size="sm" type="button">
+                  <Button variant="outline" size="sm" type="button" onClick={openPostcode}>
                     우편번호 찾기
                   </Button>
                 </div>
@@ -1269,6 +1284,7 @@ export function InspectionDetail({ id }: InspectionDetailProps) {
                 <Input
                   value={formData.scheduleInfo.siteAddress}
                   onChange={(e) => updateNested('scheduleInfo', 'siteAddress', e.target.value)}
+                  readOnly
                 />
               </div>
               <div className="space-y-2">
@@ -1305,7 +1321,7 @@ export function InspectionDetail({ id }: InspectionDetailProps) {
         </Card>
       </div>
     );
-  }, [inspection, formData, orderSummary, orderGroups, updateField, updateNested, handleRemoveOrderItem, handleOpenInspectionInput, handleUpdateOrderItemField, orderModalOpen, renderFqcBadge, renderFqcProgressBar]);
+  }, [inspection, formData, orderSummary, orderGroups, updateField, updateNested, handleRemoveOrderItem, handleOpenInspectionInput, handleUpdateOrderItemField, orderModalOpen, renderFqcBadge, renderFqcProgressBar, openPostcode]);
 
   // ===== 모드 & Config =====
   const mode = isEditMode ? 'edit' : 'view';