Lock and unlock PLDT Phone Codes

Locking and unlocking PLDT phones has been a major problem to some of the subscribers. Calling overseas, domestic and even mobile phone calls can now be secured and be prevented especially from unknown callers using your telephone.

Here’s a simple guide:

(1) To lock your phone:
*54*xxxx# (xxxx is your 4-digit PIN or security code)

(2) To unlock your phone for overseas calls:
#54*xxxx#

(3) To change your PIN:
*85*xxxx*yyyy# (xxxx is your current PIN and yyyy is the new code)

(4) Or, to save you the hassle of locking and unlocking your phone each time you want to make PLDT long-distance phone calls:
Dial country code + area code + telephone number + 4-digit PIN #

In case you don’t know your PIN you can call 171 for assistance.

Hope this post would help you and your family fromlocking and unlocking PLDT phone.