Samsung A840 - Manual (Page 128)

116 Section 2F: Managing Call History
Prepending a Phone Number From
Call History
If you need to make a call from Call History and you
happen to be outside your local area code, you can add the
appropriate prefix by prepending the number.
To prepend a phone number from Call History:
1. Select a Call History entry and press .
2. Select Options ( ).
3. Select Prepend ( ).
4. Enter the prefix and press Call ( ).