Please help with code

Please help. A have Samsung that I bouth as used but not free for my carrier. Im from Croatia snd dont have job neither is possible to get unlock code from peolpe I know. If someone will be so good to calculate code with my IMEI I will be thenxed. I have spent all saved money on this phone that is working not soo good but I m gled I have it. I do not have money for new. Model is Samsung Galaxy S6310N , IMEI is : 359043056005983 / 01 T-com locked. My mail: split.spaladium@gmail.com
Thank You
Sorry for bad english.
Babaroga