I have a big trouble for reset apple id

I have a big trouble for reset apple id. When i want to reset my password or security answers i know 100% the correct answers but always says an unknow error accuor what is that mean your company is not stay all over the world your numbers when i call always says is not availible in some countries how can we get hepl because iphone belongs to apple company why you making us confuse and stress

[Re-Titled by Host]