diff --git a/src/app/[locale]/(protected)/customer-center/inquiries/[id]/edit/page.tsx b/src/app/[locale]/(protected)/customer-center/qna/[id]/edit/page.tsx
similarity index 100%
rename from src/app/[locale]/(protected)/customer-center/inquiries/[id]/edit/page.tsx
rename to src/app/[locale]/(protected)/customer-center/qna/[id]/edit/page.tsx
diff --git a/src/app/[locale]/(protected)/customer-center/inquiries/[id]/page.tsx b/src/app/[locale]/(protected)/customer-center/qna/[id]/page.tsx
similarity index 100%
rename from src/app/[locale]/(protected)/customer-center/inquiries/[id]/page.tsx
rename to src/app/[locale]/(protected)/customer-center/qna/[id]/page.tsx
diff --git a/src/app/[locale]/(protected)/customer-center/inquiries/create/page.tsx b/src/app/[locale]/(protected)/customer-center/qna/create/page.tsx
similarity index 100%
rename from src/app/[locale]/(protected)/customer-center/inquiries/create/page.tsx
rename to src/app/[locale]/(protected)/customer-center/qna/create/page.tsx
diff --git a/src/app/[locale]/(protected)/customer-center/inquiries/page.tsx b/src/app/[locale]/(protected)/customer-center/qna/page.tsx
similarity index 100%
rename from src/app/[locale]/(protected)/customer-center/inquiries/page.tsx
rename to src/app/[locale]/(protected)/customer-center/qna/page.tsx
diff --git a/src/components/accounting/BadDebtCollection/BadDebtDetail.tsx b/src/components/accounting/BadDebtCollection/BadDebtDetail.tsx
index 7607a8e6..625ad803 100644
--- a/src/components/accounting/BadDebtCollection/BadDebtDetail.tsx
+++ b/src/components/accounting/BadDebtCollection/BadDebtDetail.tsx
@@ -110,17 +110,6 @@ export function BadDebtDetail({ mode, recordId, initialData }: BadDebtDetailProp
     },
   });
 
-  // Daum 우편번호 서비스
-  const { openPostcode } = useDaumPostcode({
-    onComplete: (result) => {
-      setFormData(prev => ({
-        ...prev,
-        zipCode: result.zonecode,
-        address1: result.address,
-      }));
-    },
-  });
-
   // 다이얼로그 상태
   const [showDeleteDialog, setShowDeleteDialog] = useState(false);
   const [showSaveDialog, setShowSaveDialog] = useState(false);
diff --git a/src/components/common/EditableTable/EditableTable.tsx b/src/components/common/EditableTable/EditableTable.tsx
new file mode 100644
index 00000000..ea5339c9
--- /dev/null
+++ b/src/components/common/EditableTable/EditableTable.tsx
@@ -0,0 +1,332 @@
+'use client';
+
+import { useState, useCallback } from 'react';
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from '@/components/ui/table';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Plus, Trash2, GripVertical } from 'lucide-react';
+import { cn } from '@/lib/utils';
+
+export interface EditableColumn<T> {
+  key: keyof T;
+  header: string;
+  width?: string;
+  align?: 'left' | 'center' | 'right';
+  type?: 'text' | 'number' | 'select';
+  placeholder?: string;
+  options?: { label: string; value: string }[]; // for select type
+  render?: (value: T[keyof T], row: T, index: number, onChange: (value: T[keyof T]) => void) => React.ReactNode;
+  editable?: boolean; // default true
+}
+
+export interface EditableTableProps<T extends { id: string | number }> {
+  columns: EditableColumn<T>[];
+  data: T[];
+  onChange: (data: T[]) => void;
+
+  // 새 행 생성 시 기본값
+  createNewRow: () => T;
+
+  // 옵션
+  title?: string;
+  addButtonLabel?: string;
+  emptyMessage?: string;
+  showRowNumber?: boolean;
+  maxRows?: number;
+  minRows?: number;
+
+  // 대량 추가 옵션
+  bulkAdd?: boolean; // 여러 행 한번에 추가 기능
+  bulkAddLabel?: string; // 대량 추가 버튼 라벨
+
+  // 스타일
+  striped?: boolean;
+  compact?: boolean;
+}
+
+export function EditableTable<T extends { id: string | number }>({
+  columns,
+  data,
+  onChange,
+  createNewRow,
+  title,
+  addButtonLabel = '행 추가',
+  emptyMessage = '데이터가 없습니다. 행을 추가해주세요.',
+  showRowNumber = true,
+  maxRows,
+  minRows = 0,
+  bulkAdd = false,
+  bulkAddLabel = '추가',
+  striped = false,
+  compact = false,
+}: EditableTableProps<T>) {
+  // 대량 추가 개수 상태
+  const [bulkCount, setBulkCount] = useState(1);
+
+  // 행 추가 (단일)
+  const handleAddRow = useCallback(() => {
+    if (maxRows && data.length >= maxRows) return;
+    const newRow = createNewRow();
+    onChange([...data, newRow]);
+  }, [data, onChange, createNewRow, maxRows]);
+
+  // 행 추가 (대량)
+  const handleBulkAddRows = useCallback(() => {
+    if (!bulkCount || bulkCount < 1) return;
+
+    // 최대 개수 제한 계산
+    let countToAdd = bulkCount;
+    if (maxRows) {
+      const remaining = maxRows - data.length;
+      countToAdd = Math.min(countToAdd, remaining);
+    }
+
+    if (countToAdd <= 0) return;
+
+    const newRows = Array.from({ length: countToAdd }, () => createNewRow());
+    onChange([...data, ...newRows]);
+    setBulkCount(1); // 입력값 초기화
+  }, [bulkCount, data, onChange, createNewRow, maxRows]);
+
+  // 행 삭제
+  const handleDeleteRow = useCallback((index: number) => {
+    if (data.length <= minRows) return;
+    const newData = data.filter((_, i) => i !== index);
+    onChange(newData);
+  }, [data, onChange, minRows]);
+
+  // 셀 값 변경
+  const handleCellChange = useCallback((index: number, key: keyof T, value: T[keyof T]) => {
+    const newData = [...data];
+    newData[index] = { ...newData[index], [key]: value };
+    onChange(newData);
+  }, [data, onChange]);
+
+  // 기본 셀 렌더링
+  const renderCell = (
+    column: EditableColumn<T>,
+    row: T,
+    rowIndex: number
+  ) => {
+    const value = row[column.key];
+    const isEditable = column.editable !== false;
+
+    // 커스텀 렌더러가 있으면 사용
+    if (column.render) {
+      return column.render(value, row, rowIndex, (newValue) => {
+        handleCellChange(rowIndex, column.key, newValue);
+      });
+    }
+
+    // 편집 불가능한 경우 텍스트로 표시
+    if (!isEditable) {
+      return <span className="text-muted-foreground">{String(value ?? '-')}</span>;
+    }
+
+    // 타입별 기본 렌더링
+    switch (column.type) {
+      case 'number':
+        return (
+          <Input
+            type="number"
+            value={value as number ?? ''}
+            onChange={(e) => handleCellChange(rowIndex, column.key, Number(e.target.value) as T[keyof T])}
+            placeholder={column.placeholder}
+            className={cn('h-8', compact && 'h-7 text-sm')}
+          />
+        );
+
+      case 'select':
+        return (
+          <select
+            value={String(value ?? '')}
+            onChange={(e) => handleCellChange(rowIndex, column.key, e.target.value as T[keyof T])}
+            className={cn(
+              'w-full h-8 px-2 rounded-md border border-input bg-background text-sm',
+              compact && 'h-7'
+            )}
+          >
+            <option value="">{column.placeholder || '선택'}</option>
+            {column.options?.map((opt) => (
+              <option key={opt.value} value={opt.value}>
+                {opt.label}
+              </option>
+            ))}
+          </select>
+        );
+
+      case 'text':
+      default:
+        return (
+          <Input
+            type="text"
+            value={String(value ?? '')}
+            onChange={(e) => handleCellChange(rowIndex, column.key, e.target.value as T[keyof T])}
+            placeholder={column.placeholder}
+            className={cn('h-8', compact && 'h-7 text-sm')}
+          />
+        );
+    }
+  };
+
+  const canAddRow = !maxRows || data.length < maxRows;
+  const canDeleteRow = data.length > minRows;
+
+  return (
+    <Card>
+      {title && (
+        <CardHeader className="pb-3">
+          <div className="flex items-center justify-between">
+            <CardTitle className="text-base">{title}</CardTitle>
+            <span className="text-sm text-muted-foreground">
+              {data.length}개 항목
+              {maxRows && ` (최대 ${maxRows}개)`}
+            </span>
+          </div>
+        </CardHeader>
+      )}
+      <CardContent className={cn(!title && 'pt-6')}>
+        {/* 테이블 */}
+        <div className="rounded-md border">
+          <Table>
+            <TableHeader>
+              <TableRow>
+                {showRowNumber && (
+                  <TableHead className="w-[60px] text-center">번호</TableHead>
+                )}
+                {columns.map((column) => (
+                  <TableHead
+                    key={String(column.key)}
+                    className={cn(
+                      column.width && `w-[${column.width}]`,
+                      column.align === 'center' && 'text-center',
+                      column.align === 'right' && 'text-right'
+                    )}
+                  >
+                    {column.header}
+                  </TableHead>
+                ))}
+                <TableHead className="w-[60px] text-center">삭제</TableHead>
+              </TableRow>
+            </TableHeader>
+            <TableBody>
+              {data.length === 0 ? (
+                <TableRow>
+                  <TableCell
+                    colSpan={columns.length + (showRowNumber ? 1 : 0) + 1}
+                    className="text-center py-8 text-muted-foreground"
+                  >
+                    {emptyMessage}
+                  </TableCell>
+                </TableRow>
+              ) : (
+                data.map((row, rowIndex) => (
+                  <TableRow
+                    key={row.id}
+                    className={cn(
+                      striped && rowIndex % 2 === 1 && 'bg-muted/30',
+                      compact && 'h-10'
+                    )}
+                  >
+                    {showRowNumber && (
+                      <TableCell className="text-center text-muted-foreground">
+                        {rowIndex + 1}
+                      </TableCell>
+                    )}
+                    {columns.map((column) => (
+                      <TableCell
+                        key={String(column.key)}
+                        className={cn(
+                          column.align === 'center' && 'text-center',
+                          column.align === 'right' && 'text-right',
+                          compact && 'py-1'
+                        )}
+                      >
+                        {renderCell(column, row, rowIndex)}
+                      </TableCell>
+                    ))}
+                    <TableCell className="text-center">
+                      <Button
+                        variant="ghost"
+                        size="sm"
+                        onClick={() => handleDeleteRow(rowIndex)}
+                        disabled={!canDeleteRow}
+                        className="h-8 w-8 p-0 text-destructive hover:text-destructive hover:bg-destructive/10"
+                      >
+                        <Trash2 className="h-4 w-4" />
+                      </Button>
+                    </TableCell>
+                  </TableRow>
+                ))
+              )}
+            </TableBody>
+          </Table>
+        </div>
+
+        {/* 행 추가 버튼 */}
+        <div className="mt-4 flex gap-2">
+          {bulkAdd ? (
+            <>
+              {/* 대량 추가: 숫자 입력 + 버튼 */}
+              <div className="flex items-center gap-2 flex-1">
+                <Input
+                  type="number"
+                  min={1}
+                  max={maxRows ? maxRows - data.length : 100}
+                  value={bulkCount}
+                  onChange={(e) => setBulkCount(Math.max(1, parseInt(e.target.value) || 1))}
+                  className="w-20 h-9"
+                  placeholder="개수"
+                />
+                <span className="text-sm text-muted-foreground">개</span>
+                <Button
+                  variant="outline"
+                  size="sm"
+                  onClick={handleBulkAddRows}
+                  disabled={!canAddRow}
+                  className="h-9"
+                >
+                  <Plus className="h-4 w-4 mr-2" />
+                  {bulkAddLabel}
+                </Button>
+              </div>
+              {/* 단일 추가 버튼도 제공 */}
+              <Button
+                variant="ghost"
+                size="sm"
+                onClick={handleAddRow}
+                disabled={!canAddRow}
+                className="h-9 border border-dashed"
+              >
+                <Plus className="h-4 w-4 mr-1" />
+                1개 추가
+              </Button>
+            </>
+          ) : (
+            /* 단일 추가만 */
+            <Button
+              variant="outline"
+              size="sm"
+              onClick={handleAddRow}
+              disabled={!canAddRow}
+              className="w-full border-dashed"
+            >
+              <Plus className="h-4 w-4 mr-2" />
+              {addButtonLabel}
+            </Button>
+          )}
+        </div>
+      </CardContent>
+    </Card>
+  );
+}
+
+export default EditableTable;
diff --git a/src/components/common/EditableTable/index.ts b/src/components/common/EditableTable/index.ts
new file mode 100644
index 00000000..b21729e6
--- /dev/null
+++ b/src/components/common/EditableTable/index.ts
@@ -0,0 +1,2 @@
+export { EditableTable } from './EditableTable';
+export type { EditableColumn, EditableTableProps } from './EditableTable';
\ No newline at end of file
diff --git a/src/components/customer-center/InquiryManagement/InquiryDetail.tsx b/src/components/customer-center/InquiryManagement/InquiryDetail.tsx
index b59715b3..6b761037 100644
--- a/src/components/customer-center/InquiryManagement/InquiryDetail.tsx
+++ b/src/components/customer-center/InquiryManagement/InquiryDetail.tsx
@@ -70,11 +70,11 @@ export function InquiryDetail({
 
   // ===== 액션 핸들러 =====
   const handleBack = useCallback(() => {
-    router.push('/ko/customer-center/inquiries');
+    router.push('/ko/customer-center/qna');
   }, [router]);
 
   const handleEdit = useCallback(() => {
-    router.push(`/ko/customer-center/inquiries/${inquiry.id}/edit`);
+    router.push(`/ko/customer-center/qna/${inquiry.id}/edit`);
   }, [router, inquiry.id]);
 
   const handleConfirmDelete = useCallback(async () => {
@@ -84,7 +84,7 @@ export function InquiryDetail({
       const success = await onDeleteInquiry();
       if (success) {
         setShowDeleteDialog(false);
-        router.push('/ko/customer-center/inquiries');
+        router.push('/ko/customer-center/qna');
       }
     } finally {
       setIsSubmitting(false);
diff --git a/src/components/customer-center/InquiryManagement/InquiryForm.tsx b/src/components/customer-center/InquiryManagement/InquiryForm.tsx
index 44e0181a..e5e3c765 100644
--- a/src/components/customer-center/InquiryManagement/InquiryForm.tsx
+++ b/src/components/customer-center/InquiryManagement/InquiryForm.tsx
@@ -115,7 +115,7 @@ export function InquiryForm({ mode, initialData }: InquiryFormProps) {
     }
 
     if (result?.success) {
-      router.push('/ko/customer-center/inquiries');
+      router.push('/ko/customer-center/qna');
     } else {
       // 에러 처리
       console.error('Submit error:', result?.error);
diff --git a/src/components/customer-center/InquiryManagement/InquiryList.tsx b/src/components/customer-center/InquiryManagement/InquiryList.tsx
index 54383b9d..2bce0075 100644
--- a/src/components/customer-center/InquiryManagement/InquiryList.tsx
+++ b/src/components/customer-center/InquiryManagement/InquiryList.tsx
@@ -165,13 +165,13 @@ export function InquiryList() {
 
   const handleRowClick = useCallback(
     (item: Inquiry) => {
-      router.push(`/ko/customer-center/inquiries/${item.id}`);
+      router.push(`/ko/customer-center/qna/${item.id}`);
     },
     [router]
   );
 
   const handleCreate = useCallback(() => {
-    router.push('/ko/customer-center/inquiries/create');
+    router.push('/ko/customer-center/qna/create');
   }, [router]);
 
   // ===== 상태 Badge 색상 =====