Open Messaging.

Select Options > Settings > Text message > Message centres.

Scroll to a message centre, and select Open. Scroll to a message centre, and press the scroll key.

Select a message centre from the list.

Enter the desired changes to the name or number of the centre. To save your changes, select Back.

Message centres may be preset in your device by your service provider, and you may not be able to create, edit, or delete them.