diff --git a/app/letters/utils.py b/app/letters/utils.py
index e4f163dea..a3c795e5b 100644
--- a/app/letters/utils.py
+++ b/app/letters/utils.py
@@ -6,7 +6,7 @@ from flask import current_app
 
 from notifications_utils.s3 import s3upload
 
-from app.models import KEY_TYPE_TEST
+from app.models import KEY_TYPE_TEST, SECOND_CLASS, RESOLVE_POSTAGE_FOR_FILE_NAME
 from app.utils import convert_utc_to_bst
 
 
@@ -32,14 +32,14 @@ def get_folder_name(_now, is_test_or_scan_letter=False):
     return folder_name
 
 
-def get_letter_pdf_filename(reference, crown, is_scan_letter=False):
+def get_letter_pdf_filename(reference, crown, is_scan_letter=False, postage=SECOND_CLASS):
     now = datetime.utcnow()
 
     upload_file_name = LETTERS_PDF_FILE_LOCATION_STRUCTURE.format(
         folder=get_folder_name(now, is_scan_letter),
         reference=reference,
         duplex="D",
-        letter_class="2",
+        letter_class=RESOLVE_POSTAGE_FOR_FILE_NAME[postage],
         colour="C",
         crown="C" if crown else "N",
         date=now.strftime('%Y%m%d%H%M%S')
@@ -71,7 +71,9 @@ def upload_letter_pdf(notification, pdf_data, precompiled=False):
     upload_file_name = get_letter_pdf_filename(
         notification.reference,
         notification.service.crown,
-        is_scan_letter=precompiled)
+        is_scan_letter=precompiled,
+        postage=notification.postage
+    )
 
     if precompiled:
         bucket_name = current_app.config['LETTERS_SCAN_BUCKET_NAME']
diff --git a/app/models.py b/app/models.py
index f5f064615..fbd1b7419 100644
--- a/app/models.py
+++ b/app/models.py
@@ -1113,6 +1113,14 @@ NOTIFICATION_STATUS_LETTER_RECEIVED = 'received'
 
 DVLA_RESPONSE_STATUS_SENT = 'Sent'
 
+FIRST_CLASS = 'first'
+SECOND_CLASS = 'second'
+POSTAGE_TYPES = [FIRST_CLASS, SECOND_CLASS]
+RESOLVE_POSTAGE_FOR_FILE_NAME = {
+    FIRST_CLASS: 1,
+    SECOND_CLASS: 2
+}
+
 
 class NotificationStatusTypes(db.Model):
     __tablename__ = 'notification_status_types'
diff --git a/tests/app/job/test_rest.py b/tests/app/job/test_rest.py
index 6bcdaa684..202996cfc 100644
--- a/tests/app/job/test_rest.py
+++ b/tests/app/job/test_rest.py
@@ -194,9 +194,7 @@ def test_create_job_returns_400_if_file_is_invalid(
     )
 
     assert response.status_code == 400
-    print(response.get_data(as_text=True))
     resp_json = json.loads(response.get_data(as_text=True))
-    print(resp_json)
     assert resp_json['result'] == 'error'
     assert resp_json['message'] == 'File is not valid, can\'t create job'
     mock_job_dao.assert_not_called()
diff --git a/tests/app/letters/test_letter_utils.py b/tests/app/letters/test_letter_utils.py
index 11ce869cd..e7068dc9f 100644
--- a/tests/app/letters/test_letter_utils.py
+++ b/tests/app/letters/test_letter_utils.py
@@ -14,6 +14,7 @@ from app.letters.utils import (
     ScanErrorType, move_failed_pdf, get_folder_name
 )
 from app.models import KEY_TYPE_NORMAL, KEY_TYPE_TEST, PRECOMPILED_TEMPLATE_NAME
+from tests.app.db import create_notification
 
 FROZEN_DATE_TIME = "2018-03-14 17:00:00"
 
@@ -67,6 +68,18 @@ def test_get_letter_pdf_filename_returns_correct_filename(
     assert filename == '2017-12-04/NOTIFY.FOO.D.2.C.{}.20171204172900.PDF'.format(expected_crown_text)
 
 
+@pytest.mark.parametrize('postage,expected_postage', [
+    ('second', 2),
+    ('first', 1),
+])
+@freeze_time("2017-12-04 17:29:00")
+def test_get_letter_pdf_filename_returns_correct_postage_for_filename(
+        notify_api, postage, expected_postage):
+    filename = get_letter_pdf_filename(reference='foo', crown=True, postage=postage)
+
+    assert filename == '2017-12-04/NOTIFY.FOO.D.{}.C.C.20171204172900.PDF'.format(expected_postage)
+
+
 @freeze_time("2017-12-04 17:29:00")
 def test_get_letter_pdf_filename_returns_correct_filename_for_test_letters(
         notify_api, mocker):
@@ -137,6 +150,33 @@ def test_upload_letter_pdf_to_correct_bucket(
     )
 
 
+@pytest.mark.parametrize('postage,expected_postage', [
+    ('second', 2),
+    ('first', 1)
+])
+def test_upload_letter_pdf_uses_postage_from_notification(
+    sample_letter_template, mocker, postage, expected_postage
+):
+    letter_notification = create_notification(template=sample_letter_template, postage=postage)
+    mock_s3 = mocker.patch('app.letters.utils.s3upload')
+
+    filename = get_letter_pdf_filename(
+        reference=letter_notification.reference,
+        crown=letter_notification.service.crown,
+        is_scan_letter=False,
+        postage=letter_notification.postage
+    )
+
+    upload_letter_pdf(letter_notification, b'\x00\x01', precompiled=False)
+
+    mock_s3.assert_called_once_with(
+        bucket_name=current_app.config['LETTERS_PDF_BUCKET_NAME'],
+        file_location=filename,
+        filedata=b'\x00\x01',
+        region=current_app.config['AWS_REGION']
+    )
+
+
 @mock_s3
 @freeze_time(FROZEN_DATE_TIME)
 def test_move_failed_pdf_error(notify_api):