Panasonic KX-T336 System Reference Manual page 358

2. Program the Area/Office Code Tables as follows.
Select Y (In case of Type-D)
Enter Restriction Level of Area Code
Area/Office Code
Enter Restriction Level "02" in "AL" field of Area/Office Code 201.
If dialing plan type-D is applied in your area, select "Y" in "L" field of
Area/Office Code 201.
3. Register the last 7-digit (Office Code + Subscriber Number) of a specific
outside number to be restricted for COS.02 extensions as follows.
the last 7-digit of a specific outside number to be restricted.
Section 9-I-3.00 "7/10 Digit Toll Restriction Table"
Section 10-C-34.00 "Toll Restriction 3 (TR3)"
Note:
The outside number registered applies to both local and long distance calls.
(Example)
(1) + 201 + 204 + XXXX
204 + XXXX
(Long Distance)
(Local)
3-F-56
(50195)