HomePRE-AUTH GT PKMBILLING.COM877759741 8888890788 GB PRE-AUTH GT PKMBILLING.COM877759741 8888890788 GB ChargeScam.com May 29, 2019 Scam Rating for PRE-AUTH GT PKMBILLING.COM877759741 8888890788 GB users have rated this descriptor so far. [helpful heading="What do you think?"] Note: A user scam rating of 100% likely means that this descriptor is untrustworthy.