Straight from Apple’s GSX Database:
The following information are available to our customers by ordering a Full IMEI Check Report:

General Information:
IMEI Number: 013428009xxxxx8
Serial Number: C38KXXXXXX19
iPhone: iPhone 5 16GB Black
Phone Age: 2 Years, 1 Month, 26 Days
Model Number: A1428
Production Week: 17
Factory: C3/CHINA (Possible Refurnished)
Network Check:
SIM-LOCK Status: LOCKED
Lock Country: UNITED STATES
Lock Carrier: T-Mobile US
Activation Policy: US T-Mobile Locked Activation Policy
Network: GSM
Activation Status: Yes – Activated
Blacklist Check:
Blacklist Status: BLACKLISTED
Blacklist Reason: Reported LOST/STOLEN
Blacklisted By: T-Mobile US
Blacklist Country: UNITED STATES, CANADA
“Find My iPhone” Status: OFF
The Blacklist Status of that iPhone can be by-pass with the WorldWide iPhone Unlocking Method. It supports all iPhone models, all Mobile Networks and both CLEAN/Blacklisted IMEI Numbers.
Warranty Check:
Warranty Status: Expired
Phone Support: Expired
AppleCare Protection: No
Service Coverage: Expired
Purchase Date: 06/21/2013
Purchased Country: UNITED STATES
Replacement Check: No Replacements
Active IMEI/Serial: 013428009xxxxx8 – C38KXXXXXX19
