diff --git a/db/migrate/20251022152158_add_index_to_conversations_identifier.rb b/db/migrate/20251022152158_add_index_to_conversations_identifier.rb
new file mode 100644
index 000000000..e7d02b53d
--- /dev/null
+++ b/db/migrate/20251022152158_add_index_to_conversations_identifier.rb
@@ -0,0 +1,6 @@
+class AddIndexToConversationsIdentifier < ActiveRecord::Migration[7.1]
+  disable_ddl_transaction!
+  def change
+    add_index :conversations, [:identifier, :account_id], name: 'index_conversations_on_identifier_and_account_id', algorithm: :concurrently
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index c0d539f6a..022a0101e 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2025_10_03_091242) do
+ActiveRecord::Schema[7.1].define(version: 2025_10_22_152158) do
   # These extensions should be enabled to support this database
   enable_extension "pg_stat_statements"
   enable_extension "pg_trgm"
@@ -676,6 +676,7 @@ ActiveRecord::Schema[7.1].define(version: 2025_10_03_091242) do
     t.index ["contact_id"], name: "index_conversations_on_contact_id"
     t.index ["contact_inbox_id"], name: "index_conversations_on_contact_inbox_id"
     t.index ["first_reply_created_at"], name: "index_conversations_on_first_reply_created_at"
+    t.index ["identifier", "account_id"], name: "index_conversations_on_identifier_and_account_id" 
     t.index ["inbox_id"], name: "index_conversations_on_inbox_id"
     t.index ["priority"], name: "index_conversations_on_priority"
     t.index ["status", "account_id"], name: "index_conversations_on_status_and_account_id"