Samsung factory locations based on IMEI number

The 7th and 8th digit of your device's IMEI number represents the country of origin (or factory)

Available codes for each factories:

Code	Country
00	Original Factory (South Korea?)
01, 10, 11, 70 or 91	China, Finland or Vietnam
02, 07, 09 or 20	UAE, India or Germany
03 or 30	China or South Korea
04, 40, 41 or 44	China or United Kingdom
05 or 50	Brazil, USA or Finland
06 or 60	China, Hong Kong, France or Mexico
08, 80 or 81	China or Germany
13	Azerbaijan
18	Singapore
67	United States
71	Malaysia

Source: https://www.samsungsfour.com/tutorials/find-out-galaxy-smartphone-country-of-origin-from-imei-code.html