The following table shows the format for Precedence Calling dialed digits:

Access digits		Address digits
FAC	Precedence digit	Area code	Office code	Extension
A	P	[NXX]	NXX	XXXX

Where:

A is the Feature Access Code (FAC) for Precedence Calling

P is any digit from 0 to 4 (digits from 5 to 9 can also be used)

X is any digit from 0 to 9

N is any digit from 2 to 9

Brackets [ ] indicate optional digits