- Frontier said it stopped offering customer service by phone last weekend.But Frontier, which charges fees for everything from advanced seat assignments to carry-on luggage and snacks, is often looking for ways to cut expenses.During its investor day earlier this month, Frontier hinted that it would stop offering customer service by phone, a change that travel site Travel Noire reported earlier this week.Jack Filene, Frontier's senior vice president of customers, said during the Nov. 15 investor presentation that the change would help lower labor costs and speed up transactions.Breeze Airways, the new U.S. carrier launched by JetBlue founder David Neeleman, offers only text, email or Messenger options for customer service."