diff --git a/config/sync/core.extension.yml b/config/sync/core.extension.yml
index db1349c19f..3a27a631da 100644
--- a/config/sync/core.extension.yml
+++ b/config/sync/core.extension.yml
@@ -253,6 +253,7 @@ module:
   upgrade_status: 0
   user: 0
   user_history: 0
+  va_gov_address: 0
   va_gov_api: 0
   va_gov_backend: 0
   va_gov_banner: 0
diff --git a/config/sync/field.field.node.press_release.field_address.yml b/config/sync/field.field.node.press_release.field_address.yml
index 5db976f164..f35b3f1d58 100644
--- a/config/sync/field.field.node.press_release.field_address.yml
+++ b/config/sync/field.field.node.press_release.field_address.yml
@@ -7,6 +7,10 @@ dependencies:
     - node.type.press_release
   module:
     - address
+    - tmgmt_content
+third_party_settings:
+  tmgmt_content:
+    excluded: false
 id: node.press_release.field_address
 field_name: field_address
 entity_type: node
@@ -17,7 +21,7 @@ required: false
 translatable: false
 default_value:
   -
-    langcode: ''
+    langcode: en
     country_code: US
     administrative_area: ''
     locality: ''
@@ -26,7 +30,7 @@ default_value:
     sorting_code: null
     address_line1: null
     address_line2: null
-    address_line3: ''
+    address_line3: null
     organization: null
     given_name: null
     additional_name: null
diff --git a/docroot/modules/custom/va_gov_address/src/EventSubscriber/AddPhilippinesAsStateSubscriber.php b/docroot/modules/custom/va_gov_address/src/EventSubscriber/AddPhilippinesAsStateSubscriber.php
new file mode 100644
index 0000000000..3c5be68d8e
--- /dev/null
+++ b/docroot/modules/custom/va_gov_address/src/EventSubscriber/AddPhilippinesAsStateSubscriber.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Drupal\va_gov_address\EventSubscriber;
+
+use Drupal\address\Event\AddressEvents;
+use Drupal\address\Event\SubdivisionsEvent;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+/**
+ * Adds a Philippines to the US States.
+ *
+ * This class follows the Centarro guidelines:
+ * https://docs.drupalcommerce.org/v2/developer-guide/customers/addresses/#how-do-i-add-or-modify-subdivisions-for-a-country.
+ */
+class AddPhilippinesAsStateSubscriber implements EventSubscriberInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function getSubscribedEvents() {
+    $events[AddressEvents::SUBDIVISIONS][] = ['onSubdivisions'];
+    return $events;
+  }
+
+  /**
+   * Provides the states of the US (plus the Philippines).
+   *
+   * @param \Drupal\address\Event\SubdivisionsEvent $event
+   *   The subdivisions event.
+   */
+  public function onSubdivisions(SubdivisionsEvent $event) {
+    if ($event->getParents() !== ['US']) {
+      return;
+    }
+
+    $definitions = $event->getDefinitions();
+
+    // Add the Philippines as a state.
+    $definitions['subdivisions']['PH'] = [
+      'code' => 'PH',
+      'name' => 'Philippines',
+      'country_code' => 'US',
+      'id' => 'PH',
+    ];
+    ksort($definitions['subdivisions']);
+    $event->setDefinitions($definitions);
+  }
+
+}
diff --git a/docroot/modules/custom/va_gov_address/va_gov_address.info.yml b/docroot/modules/custom/va_gov_address/va_gov_address.info.yml
new file mode 100644
index 0000000000..3b32ecfc82
--- /dev/null
+++ b/docroot/modules/custom/va_gov_address/va_gov_address.info.yml
@@ -0,0 +1,7 @@
+name: 'VA.gov Address'
+type: module
+description: 'Custom code used for the Address field.'
+core_version_requirement: ^9 || ^10
+dependencies:
+  - address
+package: 'Custom'
diff --git a/docroot/modules/custom/va_gov_address/va_gov_address.services.yml b/docroot/modules/custom/va_gov_address/va_gov_address.services.yml
new file mode 100644
index 0000000000..6d61211083
--- /dev/null
+++ b/docroot/modules/custom/va_gov_address/va_gov_address.services.yml
@@ -0,0 +1,6 @@
+services:
+  va_gov_address.add_philippines_as_state_subscriber:
+    class: Drupal\va_gov_address\EventSubscriber\AddPhilippinesAsStateSubscriber
+    arguments: ['@address.subdivision_repository']
+    tags:
+      - { name: event_subscriber }
diff --git a/tests/phpunit/va_gov_address/unit/EventSubscriber/AddPhilippinesAsStateSubscriberTest.php b/tests/phpunit/va_gov_address/unit/EventSubscriber/AddPhilippinesAsStateSubscriberTest.php
new file mode 100644
index 0000000000..e96797f47d
--- /dev/null
+++ b/tests/phpunit/va_gov_address/unit/EventSubscriber/AddPhilippinesAsStateSubscriberTest.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace tests\phpunit\va_gov_address\unit\EventSubscriber;
+
+use Drupal\address\Event\AddressEvents;
+use Drupal\address\Event\SubdivisionsEvent;
+use Drupal\va_gov_address\EventSubscriber\AddPhilippinesAsStateSubscriber;
+use Drupal\Tests\UnitTestCase;
+use Prophecy\Argument;
+
+/**
+ * Tests custom US address group.
+ *
+ * @coversDefaultClass \Drupal\va_gov_address\EventSubscriber\AddPhilippinesAsStateSubscriber
+ *
+ * @group va_gov_address
+ */
+class AddPhilippinesAsStateSubscriberTest extends UnitTestCase {
+
+  /**
+   * The event subscriber under test.
+   *
+   * @var \Drupal\va_gov_address\EventSubscriber\AddPhilippinesAsStateSubscriber
+   */
+  protected AddPhilippinesAsStateSubscriber $subscriber;
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp(): void {
+    parent::setUp();
+    $this->subscriber = new AddPhilippinesAsStateSubscriber();
+  }
+
+  /**
+   * Tests the getSubscribedEvents method.
+   *
+   * @covers ::getSubscribedEvents
+   */
+  public function testGetSubscribedEvents() {
+    $events = AddPhilippinesAsStateSubscriber::getSubscribedEvents();
+    $this->assertArrayHasKey(AddressEvents::SUBDIVISIONS, $events);
+    $this->assertIsArray($events[AddressEvents::SUBDIVISIONS]);
+    $this->assertEquals(['onSubdivisions'], array_column($events[AddressEvents::SUBDIVISIONS], 0));
+  }
+
+  /**
+   * Tests the onSubdivisions method.
+   *
+   * @covers ::onSubdivisions
+   */
+  public function testOnSubdivisions() {
+    // Create a mock event.
+    /** @var \Prophecy\Prophecy\ObjectProphecy|\Drupal\address\Event\SubdivisionsEvent $event */
+    $event = $this->prophesize(SubdivisionsEvent::class);
+
+    // Configure the prophecy to return specific values for getDefinitions().
+    $definitions = [
+      'subdivisions' => [
+        'CA' => [
+          'code' => 'CA',
+          'name' => 'California',
+          'country_code' => 'US',
+          'id' => 'CA',
+        ],
+      ],
+    ];
+    $event->getDefinitions()->willReturn($definitions);
+
+    // Set up expected calls for getParents() and setDefinitions().
+    $event->getParents()->willReturn(['US']);
+    $event->setDefinitions(Argument::that(function ($definitions) {
+      // Validate that Philippines (PH) is added as a subdivision.
+      return isset($definitions['subdivisions']['PH'])
+        && $definitions['subdivisions']['PH']['name'] === 'Philippines';
+    }))->shouldBeCalled();
+
+    // Call the onSubdivisions method.
+    $this->subscriber->onSubdivisions($event->reveal());
+  }
+
+  /**
+   * Tests that onSubdivisions does not modify definitions for non-US parents.
+   *
+   * @covers ::onSubdivisions
+   */
+  public function testOnSubdivisionsNonUs() {
+    // Create a mock event.
+    /** @var \Prophecy\Prophecy\ObjectProphecy|\Drupal\address\Event\SubdivisionsEvent $event */
+    $event = $this->prophesize(SubdivisionsEvent::class);
+
+    // Mock the getParents method to return a non-US parent.
+    $event->getParents()->willReturn(['CA']);
+
+    // Assert that setDefinitions is never called.
+    $event->setDefinitions()->shouldNotBeCalled();
+
+    // Call the onSubdivisions method.
+    $this->subscriber->onSubdivisions($event->reveal());
+  }
+
+}