diff --git a/app/models/broadcast_message.py b/app/models/broadcast_message.py
index 87b431b37..c5951b152 100644
--- a/app/models/broadcast_message.py
+++ b/app/models/broadcast_message.py
@@ -128,7 +128,7 @@ class BroadcastMessage(JSONModel):
     def count_of_phones(self):
         return round_to_significant_figures(
             sum(area.count_of_phones for area in self.areas),
-            2
+            1
         )
 
     @property
@@ -136,7 +136,7 @@ class BroadcastMessage(JSONModel):
         area_estimate = self.simple_polygons.estimated_area
         bleed_area_estimate = self.simple_polygons.bleed.estimated_area - area_estimate
         return round_to_significant_figures(
-            self.count_of_phones * bleed_area_estimate / area_estimate,
+            self.count_of_phones + (self.count_of_phones * bleed_area_estimate / area_estimate),
             1
         )
 
diff --git a/app/templates/views/broadcast/macros/area-map.html b/app/templates/views/broadcast/macros/area-map.html
index 53a991dc9..32b0ce8ee 100644
--- a/app/templates/views/broadcast/macros/area-map.html
+++ b/app/templates/views/broadcast/macros/area-map.html
@@ -7,7 +7,7 @@
       </span>
       Will get
       <span class="visually-hidden">the</span>
-      alert ({{ broadcast_message.count_of_phones|format_thousands }} phones)
+      alert
     </li>
     <li class="area-key area-key--likely">
       <span class="visually-hidden">
@@ -18,7 +18,13 @@
         the
       </span>
       alert
-      ({{ broadcast_message.count_of_phones_likely|format_thousands }} phones)
+    </li>
+    <li class="area-key area-key--phone-estimate">
+      {% if broadcast_message.count_of_phones == broadcast_message.count_of_phones_likely %}
+        {{ broadcast_message.count_of_phones|format_thousands }} phones estimated
+      {% else %}
+        {{ broadcast_message.count_of_phones|format_thousands }} to {{ broadcast_message.count_of_phones_likely|format_thousands }} phones
+      {% endif %}
     </li>
   </ul>
 {% endmacro %}
diff --git a/tests/app/main/views/test_broadcast.py b/tests/app/main/views/test_broadcast.py
index b17f5c93e..35963b642 100644
--- a/tests/app/main/views/test_broadcast.py
+++ b/tests/app/main/views/test_broadcast.py
@@ -368,13 +368,57 @@ def test_broadcast_page(
     ),
 
 
+@pytest.mark.parametrize('areas_selected, areas_listed, estimates', (
+    ([
+        'ctry19-E92000001',
+        'ctry19-S92000003',
+    ], [
+        'England remove',
+        'Scotland remove',
+    ], [
+        'An area of 176,714.9 square miles Will get the alert',
+        'An extra area of 3,052.8 square miles is Likely to get the alert',
+        '40,000,000 phones estimated',
+    ]),
+    ([
+        'wd20-E05003224',
+        'wd20-E05003225',
+        'wd20-E05003227',
+        'wd20-E05003228',
+        'wd20-E05003229',
+    ], [
+        'Penrith Carleton remove',
+        'Penrith East remove',
+        'Penrith Pategill remove',
+        'Penrith South remove',
+        'Penrith West remove',
+    ], [
+        'An area of 6.3 square miles Will get the alert',
+        'An extra area of 14.4 square miles is Likely to get the alert',
+        '9,000 to 30,000 phones',
+    ]),
+))
 def test_preview_broadcast_areas_page(
+    mocker,
     client_request,
     service_one,
     fake_uuid,
-    mock_get_draft_broadcast_message,
+    areas_selected,
+    areas_listed,
+    estimates,
 ):
     service_one['permissions'] += ['broadcast']
+    mocker.patch(
+        'app.broadcast_message_api_client.get_broadcast_message',
+        return_value=broadcast_message_json(
+            id_=fake_uuid,
+            template_id=fake_uuid,
+            created_by_id=fake_uuid,
+            service_id=SERVICE_ONE_ID,
+            status='draft',
+            areas=areas_selected,
+        ),
+    )
     page = client_request.get(
         '.preview_broadcast_areas',
         service_id=SERVICE_ONE_ID,
@@ -384,20 +428,14 @@ def test_preview_broadcast_areas_page(
     assert [
         normalize_spaces(item.text)
         for item in page.select('ul.area-list li.area-list-item')
-    ] == [
-        'England remove',
-        'Scotland remove',
-    ]
+    ] == areas_listed
 
     assert len(page.select('#map')) == 1
 
     assert [
         normalize_spaces(item.text)
         for item in page.select('ul li.area-key')
-    ] == [
-        'An area of 176,714.9 square miles Will get the alert (44,000,000 phones)',
-        'An extra area of 3,052.8 square miles is Likely to get the alert (800,000 phones)',
-    ]
+    ] == estimates
 
 
 @pytest.mark.parametrize('areas, expected_list', (