Unlike older GSM locks (which used a simple network lock code), modern Verizon-locked Tracfone devices use a :

If you meet the requirements, do not pay a third-party website yet. Try the official route first:

: Claims to process most requests within 15 minutes to 24 hours. MobileUnlocks

If you own a Nokia smartphone with the model number Nokia N139DL , you likely purchased it through a prepaid carrier like Tracfone, Straight Talk, or Simple Mobile. While these phones are affordable, they come "carrier locked," meaning you cannot use a SIM card from AT&T, T-Mobile, or any other carrier until the phone is unlocked.