Press the Access Contacts button and choose New if this is your first contact list entry, or press Contacts > More > New if you already have entries in your contact list.
Enter the name using the dialpad.
Scroll to the next field and enter the number.
Scroll to the next field and choose the type of number entered (General, Work, Mobile, Home).
If you have another number for this contact, select the next field and repeat Step 3 to Step 4. You can add up to two additional numbers for this contact, but you can designate only one number as Primary.
Press Save.