TapuachatMortgage refinancingWe are happy to assist you by phone at *8860 Branch 4 then 3, Or by fax: 03-5686982 Sunday-Thursday, 8:00 AM - 9:30 PM, and Friday, 8:00 AM - 1:00 PMNationalThe Customer Service Center operates Sunday-Thursday between 8:30 AM and 5:00 PM. The direct phone number is: 6062 * Or 03-7100500Workers2401* phoneA, C, D between the hours of 08:30 to 16:00;Monday-Thursday between 08:30 – 18:30, Fridays between 08:30 – 12:30 InternationalPhone 3533*Sunday - Thursday between the hours of 08:00-22:00 On Fridays and holidays between the hours 08:00-14:00Requires a phone authentication code. If there is no such code, you may fill out the application form. From here DiscountPhone 2009* Oh 1-700-702-222Mortgage center operating hours: Sun – Thurs: 08:00 – 21:00, Fri: 08:00 – 14:00