This service (Universal Int'l Freephone Number, abbreviated as UIFN) is developed based on the I-008 service. The domestic customer who applies for this service can have an unique 800-XXXX-XXX activated in multiple countries. This service makes it easier to establish a customer service center or consultation center.


● Universal Int'l Freephone Number Service are easy to remember (int'l prefix +800-XXXX XXXX).

● The caller from abroad can connect directly to your service department or inquiry center free of charge.


● International communication fee are based on Chunghwa Telecom's IDD rates and may enjoy the IDD fixed-term contract discounts or discounts for the major customer.

● You can make your own number according to the UIFN format as long as it is not in use. We will request ITU to allocate the number.

● The application procedure is easy.


The domestic customer provide the UIFN to the caller in the foreign country and dial it in the format as int'l prefix number than 800-XXXX-XXXX.

Applicable countries/regions


Mainland China, Hong Kong, Macau, Japan, South Korea, Singapore, Thailand, Malaysia, the Philippines

Middle East



Australia, New Zealand


UK, France, Germany, Netherlands, Belgium, Switzerland, Sweden, Norway, Italy, Cyprus, Russia, Spain


US, Canada, Argentina, Costa Rica

1. The cooperate customer please contact your account manager for assistance on this application.

2. If you don't have the account manager of Chunghwa Telecom, please submit your application to the business counter.

3. For the application form and relevant details, contact our 24*7 service hot line 0800-080-123.