diff --git a/tests/app/notifications/test_receive_notification.py b/tests/app/notifications/test_receive_notification.py
index aa2972bc1..f7bf117b1 100644
--- a/tests/app/notifications/test_receive_notification.py
+++ b/tests/app/notifications/test_receive_notification.py
@@ -381,3 +381,34 @@ def test_receive_sns_sms_inbound_disabled(mocker):
         "result": "success",
         "message": "SMS-SNS callback succeeded",
     }
+
+
+def test_receive_sns_sms_no_service_found(mocker):
+    current_app.config["RECEIVE_INBOUND_SMS"] = True
+    response, status_code = receive_sns_sms()
+    mock_sns_handler = mocker.patch(
+        "app.notifications.receive_notifications.sns_notification_handler"
+    )
+    mock_sns_handler.return_value = {
+        "Message": json.dumos(
+            {
+                "originationNumber": "+15555555555",
+                "destinationNumber": "+15555554444",
+                "messageBody": "Hello",
+                "inboundMessageId": "inbound-id",
+            }
+        ),
+        "Timestamp": "2024-11-10T00:00:00Z",
+    }
+    mock_fetch_service = mocker.patch(
+        "app.notifications.receive_notifications.fetch_potential_service"
+    )
+    mock_fetch_service.return_value = None
+
+    response, status_code = receive_sns_sms()
+
+    assert status_code == 200
+    assert response.json == {
+        "result": "success",
+        "message": "SMS-SNS callback succeeded",
+    }