* DO NOT include personal/account information in this form. Please contact us at the phone number above to discuss any account questions. 1 Customer service hours of operation are Mon-Fri 8:00AM to 9:00PM ET and Sat 8:00AM to 4:30PM ET.
PUK Code. The Personal Unblocking Code (PUK code) is a security feature to protect the SIM card user in case of phone theft. When an unknown user attempts to unlock your phone by putting the wrong PIN code three consecutive times, the card will get blocked.
Function. A UPC code is a 12-digit number with the bar code comprised of 7-bit codes that represent each digit in the sequence.There are exactly 30 bars in the UPC code sequence, including the start and end bars.The UPC code is read by a digital scanner that allows it to interpret each of these bars and match it up with a database for speedy check out.here are exactly 30 bars in the UPC code sequence, including the start and end bars. The UPC code is read by a digital scanner that allows it to interpret each of these bars and match it up with a database for speedy check out.