diff --git a/territories/serializers.py b/territories/serializers.py
index 7b878ae..d892bf3 100644
--- a/territories/serializers.py
+++ b/territories/serializers.py
@@ -13,7 +13,7 @@ class Meta:
 class DepartmentSerializer(BBoxMixin):
     class Meta:
         model = Department
-        fields = ("id", "name", "bbox")
+        fields = ("id", "name", "code", "bbox")
 
 
 class AcademySerializer(BBoxMixin):
diff --git a/tests/territories/test_api.py b/tests/territories/test_api.py
index cad8113..c37da06 100644
--- a/tests/territories/test_api.py
+++ b/tests/territories/test_api.py
@@ -44,6 +44,7 @@ def test_get_territory_combined_list_filtered(self):
                         {
                             "id": mock.ANY,
                             "name": "Rhône",
+                            "code": "69",
                             "bbox": {
                                 "xmin": 5.0,
                                 "ymin": 5.0,
@@ -92,7 +93,14 @@ def test_get_departments_list(self):
 
         self.assertEqual(
             response.json(),
-            [{"id": mock.ANY, "name": "Rhône", "bbox": {"xmin": 5.0, "ymin": 5.0, "xmax": 10.0, "ymax": 10.0}}],
+            [
+                {
+                    "id": mock.ANY,
+                    "name": "Rhône",
+                    "code": "69",
+                    "bbox": {"xmin": 5.0, "ymin": 5.0, "xmax": 10.0, "ymax": 10.0},
+                }
+            ],
         )
 
     def test_get_cities_list(self):