Panasonic KX-T336 System Reference Manual page 226

If you do not want to restrict an extension user
from originating CO calls for district B-1 within
Area B, because calls for district B-1 are
considered local calls.
Then enter "01" in "OC" field of Area Code 201,
and register Office Code 321 in the Office Code
Table No.=1 as follows.
Select "N" (Default Setting)
Enter Office Code Table No. (01~64)
Enter Restriction Level of Office Code
Enter Restriction Level of Area Code
Area / Office Code
Now Restriction Level 10 is not applied to calls for
district B-1 ((1) + 201 + 321 + XXXX).
(3)Programming the 3/6 Digit Toll Restriction
In the area where Dialing Plan Type D is
adopted, the system may not be able to identify
the leading three digits of the dialed number as
an Area Code or Office Code.
<Example>
If your system is located in the Type D area,
program the toll restriction plan as follows.
(If "N" is selected in "L" field, the dialed number
"201 + NXX + XXXX" will be checked against the
Select "21"
Restriction Level in "OL" field.)
[Note]
The above example is based on the following
conditions.
• Calls to the AC201 area can be made without
• Restriction Level for the call is "10."
3-C-19
(50195)
Plan by selecting "Y" in "L" field.
NXX + NXX + XXXX — 10 digits local call
NXX + XXXX — 7 digits local call
Select "Y" (10 digits Local Call)
Enter Restriction Level of Office Code
Enter Restriction Level of Area Code
Area / Office Code
dialing "1" (Toll Prefix), that is, in the "201 +
NXX + XXXX" format.