diff --git a/db/dummy_data.sql b/db/dummy_data.sql
index fa064f0..e0c878a 100644
--- a/db/dummy_data.sql
+++ b/db/dummy_data.sql
@@ -13,7 +13,7 @@ UNLOCK TABLES;
 
 LOCK TABLES `team` WRITE;
 /*!40000 ALTER TABLE `team` DISABLE KEYS */;
-INSERT INTO `team` VALUES (1,'Test Team','#team','team@example.com','US/Pacific',1,NULL,0);
+INSERT INTO `team` VALUES (1,'Test Team','#team','team@example.com','US/Pacific',1,NULL,0,NULL);
 /*!40000 ALTER TABLE `team` ENABLE KEYS */;
 UNLOCK TABLES;
 
diff --git a/db/schema.v0.sql b/db/schema.v0.sql
index 2fad857..e1b8541 100644
--- a/db/schema.v0.sql
+++ b/db/schema.v0.sql
@@ -13,6 +13,7 @@ CREATE TABLE IF NOT EXISTS `team` (
   `active` BOOLEAN NOT NULL DEFAULT TRUE,
   `iris_plan` VARCHAR(255),
   `iris_enabled` BOOLEAN NOT NULL DEFAULT FALSE,
+  `override_phone_number` VARCHAR(255),
   PRIMARY KEY (`id`),
   UNIQUE INDEX `name_unique` (`name` ASC));
 
diff --git a/e2e/conftest.py b/e2e/conftest.py
index 3df9341..9184235 100644
--- a/e2e/conftest.py
+++ b/e2e/conftest.py
@@ -62,7 +62,7 @@ def user(request):
 
 
 @pytest.fixture(scope="function")
-def team(request, user):
+def team(request, user, service):
 
     class TeamFactory(object):
 
@@ -239,4 +239,4 @@ def service(request):
 
     factory = ServiceFactory(request.function.prefix)
     yield factory
-    factory.cleanup()
\ No newline at end of file
+    factory.cleanup()
diff --git a/e2e/test_services.py b/e2e/test_services.py
index 9a4594a..620f9d6 100644
--- a/e2e/test_services.py
+++ b/e2e/test_services.py
@@ -115,3 +115,38 @@ def test_api_v0_services_current_oncall(team, service, user, role, event):
     assert re.status_code == 200
     results = re.json()
     assert len(results) == 2
+
+
+@prefix('test_v0_service_override_number')
+def test_api_v0_service_override_number(team, user, role, event, service):
+    team_name = team.create()
+    user_name = user.create()
+    user_name_2 = user.create()
+    service_name = service.create()
+    user.add_to_team(user_name, team_name)
+    user.add_to_team(user_name_2, team_name)
+
+    start, end = int(time.time()), int(time.time()+36000)
+    event_data_1 = {'start': start,
+                    'end': end,
+                    'user': user_name,
+                    'team': team_name,
+                    'role': 'primary'}
+    event.create(event_data_1)
+
+    re = requests.post(api_v0('teams/%s/services' % team_name),
+                       json={'name': service_name})
+    override_num = '12345'
+    re = requests.put(api_v0('teams/'+team_name), json={'override_phone_number': override_num})
+
+    re = requests.get(api_v0('services/%s/oncall/%s' % (service_name, 'primary')))
+    assert re.status_code == 200
+    results = re.json()
+    assert results[0]['start'] == start
+    assert results[0]['end'] == end
+    assert results[0]['contacts']['call'] == override_num
+
+    re = requests.get(api_v0('services/%s/oncall' % service_name))
+    assert re.status_code == 200
+    results = re.json()
+    assert results[0]['contacts']['call'] == override_num
diff --git a/e2e/test_teams.py b/e2e/test_teams.py
index c24fa95..08cea24 100644
--- a/e2e/test_teams.py
+++ b/e2e/test_teams.py
@@ -58,7 +58,8 @@ def test_api_v0_get_team(team, role, roster, schedule):
     assert re.status_code == 200
     team = re.json()
     assert isinstance(team, dict)
-    expected_set = {'users', 'admins', 'services', 'rosters', 'name', 'id', 'slack_channel', 'email', 'scheduling_timezone', 'iris_plan', 'iris_enabled'}
+    expected_set = {'users', 'admins', 'services', 'rosters', 'name', 'id', 'slack_channel', 'email',
+        'scheduling_timezone', 'iris_plan', 'iris_enabled', 'override_phone_number'}
     assert expected_set == set(team.keys())
 
     # it should also support filter by fields
@@ -66,7 +67,8 @@ def test_api_v0_get_team(team, role, roster, schedule):
     assert re.status_code == 200
     team = re.json()
     assert isinstance(team, dict)
-    expected_set = {'users', 'admins', 'services', 'name', 'id', 'slack_channel', 'email', 'scheduling_timezone', 'iris_plan', 'iris_enabled'}
+    expected_set = {'users', 'admins', 'services', 'name', 'id', 'slack_channel', 'email',
+                    'scheduling_timezone', 'iris_plan', 'iris_enabled', 'override_phone_number'}
     assert expected_set == set(team.keys())
 
 
@@ -86,6 +88,7 @@ def test_api_v0_update_team(team):
     new_team_name = "new-moninfra-update"
     email = 'abc@gmail.com'
     slack = '#slack'
+    override_num = '1234'
 
     # setup DB state
     requests.delete(api_v0('teams/'+new_team_name))
@@ -95,7 +98,10 @@ def test_api_v0_update_team(team):
     re = requests.get(api_v0('teams/'+team_name))
     assert re.status_code == 200
     # edit team name/email/slack
-    re = requests.put(api_v0('teams/'+team_name), json={'name': new_team_name, 'email': email, 'slack_channel': slack})
+    re = requests.put(api_v0('teams/'+team_name), json={'name': new_team_name,
+                                                        'email': email,
+                                                        'slack_channel': slack,
+                                                        'override_phone_number': override_num})
     assert re.status_code == 200
     team.mark_for_cleaning(new_team_name)
     # verify result
@@ -106,6 +112,7 @@ def test_api_v0_update_team(team):
     data = re.json()
     assert data['email'] == email
     assert data['slack_channel'] == slack
+    assert data['override_phone_number'] == override_num
 
 
 @prefix('test_v0_team_admin')
@@ -356,3 +363,38 @@ def test_api_v0_team_current_oncall(team, user, role, event):
     assert re.status_code == 200
     results = re.json()
     assert len(results) == 2
+
+
+@prefix('test_v0_team_override_number')
+def test_api_v0_team_override_number(team, user, role, event):
+    team_name = team.create()
+    user_name = user.create()
+    user_name_2 = user.create()
+    user.add_to_team(user_name, team_name)
+    user.add_to_team(user_name_2, team_name)
+
+    start, end = int(time.time()), int(time.time()+36000)
+    event_data_1 = {'start': start,
+                    'end': end,
+                    'user': user_name,
+                    'team': team_name,
+                    'role': 'primary'}
+    event.create(event_data_1)
+
+    override_num = '12345'
+    re = requests.put(api_v0('teams/'+team_name), json={'override_phone_number': override_num})
+
+    re = requests.get(api_v0('teams/%s/oncall/%s' % (team_name, 'primary')))
+    assert re.status_code == 200
+    results = re.json()
+    assert results[0]['start'] == start
+    assert results[0]['end'] == end
+    assert results[0]['contacts']['call'] == override_num
+
+    re = requests.get(api_v0('teams/%s/oncall' % team_name))
+    assert re.status_code == 200
+    results = re.json()
+    assert results[0]['contacts']['call'] == override_num
+
+    re = requests.get(api_v0('teams/%s/summary' % team_name))
+    assert results[0]['contacts']['call'] == override_num
diff --git a/src/oncall/api/v0/service_oncall.py b/src/oncall/api/v0/service_oncall.py
index a3ca7ca..e4eaf57 100644
--- a/src/oncall/api/v0/service_oncall.py
+++ b/src/oncall/api/v0/service_oncall.py
@@ -63,11 +63,14 @@ def on_get(req, resp, service, role=None):
     connection = db.connect()
     cursor = connection.cursor(db.DictCursor)
     # Get subscription teams for teams owning the service, along with the teams that own the service
-    cursor.execute('''SELECT `team_id` FROM `team_service`
+    cursor.execute('''SELECT `team_id`, `team`.`override_phone_number`, `team`.`name` FROM `team_service`
                       JOIN `service` ON `service`.`id` = `team_service`.`service_id`
+                      JOIN `team` ON `team`.`id` = `team_service`.`team_id`
                       WHERE `service`.`name` = %s''',
                    service)
-    team_ids = [row['team_id'] for row in cursor]
+    data = cursor.fetchall()
+    team_ids = [row['team_id'] for row in data]
+    team_override_numbers = {row['name']: row['override_phone_number'] for row in data}
     if not team_ids:
         resp.body = json_dumps([])
         cursor.close()
@@ -92,6 +95,11 @@ def on_get(req, resp, service, role=None):
         dest = row.pop('destination')
         ret[user]['contacts'][mode] = dest
     data = ret.values()
+    for event in data:
+        override_number = team_override_numbers.get(event['team'])
+        if override_number and event['role'] == 'primary':
+            event['contacts']['call'] = override_number
+            event['contacts']['sms'] = override_number
 
     cursor.close()
     connection.close()
diff --git a/src/oncall/api/v0/team.py b/src/oncall/api/v0/team.py
index 8942967..c323384 100644
--- a/src/oncall/api/v0/team.py
+++ b/src/oncall/api/v0/team.py
@@ -13,7 +13,8 @@ from ...utils import load_json_body, invalid_char_reg, create_audit
 from ...constants import TEAM_DELETED, TEAM_EDITED
 
 
-cols = set(['name', 'slack_channel', 'email', 'scheduling_timezone', 'iris_plan', 'iris_enabled'])
+cols = set(['name', 'slack_channel', 'email', 'scheduling_timezone', 'iris_plan', 'iris_enabled',
+             'override_phone_number'])
 
 
 def populate_team_users(cursor, team_dict):
@@ -145,7 +146,7 @@ def on_get(req, resp, team):
 
     connection = db.connect()
     cursor = connection.cursor(db.DictCursor)
-    cursor.execute('SELECT `id`, `name`, `email`, `slack_channel`, `scheduling_timezone`, `iris_plan`, `iris_enabled` '
+    cursor.execute('SELECT `id`, `name`, `email`, `slack_channel`, `scheduling_timezone`, `iris_plan`, `iris_enabled`, `override_phone_number` '
                    'FROM `team` WHERE `name`=%s AND `active` = %s', (team, active))
     results = cursor.fetchall()
     if not results:
@@ -203,7 +204,7 @@ def on_put(req, resp, team):
             raise HTTPBadRequest('invalid team name',
                                  'team name contains invalid character "%s"' % invalid_char.group())
 
-    if 'iris_plan' in data:
+    if 'iris_plan' in data and data['iris_plan']:
         iris_plan = data['iris_plan']
         plan_resp = iris.client.get(iris.client.url + 'plans?name=%s&active=1' % iris_plan)
         if plan_resp.status_code != 200 or plan_resp.json() == []:
diff --git a/src/oncall/api/v0/team_oncall.py b/src/oncall/api/v0/team_oncall.py
index 2f4b9a5..78b8d29 100644
--- a/src/oncall/api/v0/team_oncall.py
+++ b/src/oncall/api/v0/team_oncall.py
@@ -80,6 +80,9 @@ def on_get(req, resp, team, role=None):
     cursor = connection.cursor(db.DictCursor)
     cursor.execute(get_oncall_query, query_params)
     data = cursor.fetchall()
+    cursor.execute('SELECT `override_phone_number` FROM team WHERE `name` = %s', team)
+    team = cursor.fetchone()
+    override_number = team['override_phone_number'] if team else None
     ret = {}
     for row in data:
         user = row['user']
@@ -93,6 +96,10 @@ def on_get(req, resp, team, role=None):
         dest = row.pop('destination')
         ret[user]['contacts'][mode] = dest
     data = ret.values()
+    for event in data:
+        if override_number and event['role'] == 'primary':
+            event['contacts']['call'] = override_number
+            event['contacts']['sms'] = override_number
 
     cursor.close()
     connection.close()
diff --git a/src/oncall/api/v0/team_summary.py b/src/oncall/api/v0/team_summary.py
index adc8961..fb05ec2 100644
--- a/src/oncall/api/v0/team_summary.py
+++ b/src/oncall/api/v0/team_summary.py
@@ -110,10 +110,12 @@ def on_get(req, resp, team):
     connection = db.connect()
     cursor = connection.cursor(db.DictCursor)
 
-    cursor.execute('SELECT `id` FROM `team` WHERE `name` = %s', team)
+    cursor.execute('SELECT `id`, `override_phone_number` FROM `team` WHERE `name` = %s', team)
     if cursor.rowcount < 1:
         raise HTTPNotFound()
-    team_id = cursor.fetchone()['id']
+    data = cursor.fetchone()
+    team_id = data['id']
+    override_num = data['override_phone_number']
     current_query = '''
         SELECT `user`.`full_name` AS `full_name`,
                `user`.`photo_url`,
@@ -196,5 +198,13 @@ def on_get(req, resp, team):
 
     cursor.close()
     connection.close()
+    if override_num is not None:
+        try:
+            for event in payload['current']['primary']:
+                event['user_contacts']['call'] = override_num
+                event['user_contacts']['sms'] = override_num
+        except KeyError:
+            # No current primary events exist, do nothing
+            pass
 
     resp.body = dumps(payload)
diff --git a/src/oncall/api/v0/teams.py b/src/oncall/api/v0/teams.py
index 7a86eaf..bf321e2 100755
--- a/src/oncall/api/v0/teams.py
+++ b/src/oncall/api/v0/teams.py
@@ -149,6 +149,9 @@ def on_post(req, resp):
     email = data.get('email')
     iris_plan = data.get('iris_plan')
     iris_enabled = data.get('iris_enabled', False)
+    override_number = data.get('override_phone_number')
+    if not override_number:
+        override_number = None
 
     # validate Iris plan if provided and Iris is configured
     if iris_plan is not None and iris.client is not None:
@@ -160,8 +163,10 @@ def on_post(req, resp):
     cursor = connection.cursor()
     try:
         cursor.execute('''
-            INSERT INTO `team` (`name`, `slack_channel`, `email`, `scheduling_timezone`, `iris_plan`, `iris_enabled`)
-            VALUES (%s, %s, %s, %s, %s, %s)''', (team_name, slack, email, scheduling_timezone, iris_plan, iris_enabled))
+            INSERT INTO `team` (`name`, `slack_channel`, `email`, `scheduling_timezone`, `iris_plan`, `iris_enabled`,
+                                `override_phone_number`)
+            VALUES (%s, %s, %s, %s, %s, %s, %s)''',
+            (team_name, slack, email, scheduling_timezone, iris_plan, iris_enabled, override_number))
 
         team_id = cursor.lastrowid
         query = '''
diff --git a/src/oncall/ui/static/js/oncall.js b/src/oncall/ui/static/js/oncall.js
index c31d825..a99f105 100644
--- a/src/oncall/ui/static/js/oncall.js
+++ b/src/oncall/ui/static/js/oncall.js
@@ -750,6 +750,7 @@ var oncall = {
           email = $form.find('#team-email').val(),
           slack = $form.find('#team-slack').val(),
           timezone = $form.find('#team-timezone').val(),
+          overrideNumber = $form.find('#team-override-phone').val(),
           irisPlan = $form.find('#team-irisplan').val(),
           irisEnabled = $form.find('#team-iris-enabled').prop('checked'),
           model = {};
@@ -775,6 +776,7 @@ var oncall = {
               email: email,
               slack_channel: slack,
               scheduling_timezone: timezone,
+              override_phone_number: overrideNumber,
               iris_plan: irisPlan,
               iris_enabled: irisEnabled ? '1' : '0',
               page: self.data.route
@@ -2370,6 +2372,7 @@ var oncall = {
           $teamEmail = $modalForm.find('#team-email'),
           $teamSlack = $modalForm.find('#team-slack'),
           $teamTimezone = $modalForm.find('#team-timezone'),
+          $teamNumber = $modalForm.find('#team-override-phone'),
           $teamIrisPlan = $modalForm.find('#team-irisplan'),
           $teamIrisEnabled = $modalForm.find('#team-iris-enabled'),
           self = this,
@@ -2383,6 +2386,7 @@ var oncall = {
         $teamName.val($btn.attr('data-modal-name'));
         $teamEmail.val($btn.attr('data-modal-email'));
         $teamSlack.val($btn.attr('data-modal-slack'));
+        $teamNumber.val($btn.attr('data-modal-override-phone'));
         $teamIrisPlan.val($btn.attr('data-modal-irisplan'));
         $teamIrisEnabled.prop('checked', $btn.attr('data-modal-iris-enabled') === '1');
         $planInput = $('#team-irisplan');
diff --git a/src/oncall/ui/templates/base.html b/src/oncall/ui/templates/base.html
index bc416ec..243c2f6 100644
--- a/src/oncall/ui/templates/base.html
+++ b/src/oncall/ui/templates/base.html
@@ -139,6 +139,9 @@
                 {% endfor %}
               </select>
             </p>
+            <p>
+              <label for="team-override-phone"> Team Override Phone Number: </label> <input type="text" name="override_phone_number" id="team-override-phone" class="form-control" placeholder="Phone Number" />
+            </p>
             {%  if iris_plan_settings.activated %}
             <p>
               <label for="team-irisplan"> Team Iris Escalation Plan:</label>
diff --git a/src/oncall/ui/templates/index.html b/src/oncall/ui/templates/index.html
index 8c20de3..eafee41 100644
--- a/src/oncall/ui/templates/index.html
+++ b/src/oncall/ui/templates/index.html
@@ -277,7 +277,7 @@
           <h3>
             {{name}}
             <span class="edit-team-name">
-              <i class="svg-icon svg-icon-pencil" data-toggle="modal" data-target="#team-edit-modal" data-modal-action="oncall.team.updateTeamName" data-modal-title="Update Team Info" data-modal-name="{{#if name}}{{name}}{{else}}{{@key}}{{/if}}" data-modal-email="{{email}}" data-modal-slack="{{slack_channel}}" data-modal-timezone="{{scheduling_timezone}}" data-modal-irisplan="{{iris_plan}}" data-modal-iris-enabled="{{iris_enabled}}" data-admin-action="true">
+              <i class="svg-icon svg-icon-pencil" data-toggle="modal" data-target="#team-edit-modal" data-modal-action="oncall.team.updateTeamName" data-modal-title="Update Team Info" data-modal-name="{{#if name}}{{name}}{{else}}{{@key}}{{/if}}" data-modal-email="{{email}}" data-modal-slack="{{slack_channel}}" data-modal-timezone="{{scheduling_timezone}}" data-modal-irisplan="{{iris_plan}}" data-modal-iris-enabled="{{iris_enabled}}" data-modal-override-phone="{{override_phone_number}}" data-admin-action="true">
                 <svg xmlns="http://www.w3.org/2000/svg" width="16px" height="16px" viewBox="0 0 8 8" style="fill: currentColor">
                   <path d="M6 0l-1 1 2 2 1-1-2-2zm-2 2l-4 4v2h2l4-4-2-2z" />
                 </svg>