AT&T MERLIN Plus System Manual page 27

In the "Account Number" column . . .
Write the account numbers next to 3-character dial codes that do not
already have telephone numbers next to them.
In the "Name" column . . .
Write the name of the person or organization to identify each account
number.
You should now have a complete set of planning forms. Keep them together
in a safe place until you are ready to install and administer your system.
System Speed Dial Directory 2-19