The do-not-call register for pre-recorded telephone messages will accept prefix-'9' numbers from tomorrow, the Office of the Telecommunications Authority says.

People who want to decline pre-recorded phone messages can register their numbers by calling 183 5000, except from 11pm to midnight each day when the database is updated.

For numbers registered before March 25 protection will start April 7. For those registered on or after March 26 protection will start on the 10th working day after the registration.

A total of 102,943 numbers have been registered since the do-not-call register for pre-recorded telephone messages launched January 25.

Up to March 2 a total of 58,718 numbers have been registered on the do-not-call register for fax and 81,657 numbers on the register for short messages.