Topic: called for interview what shoul ...

i need the help of guru herein very urgently, i was called for interview that is going to take place in Port Harcourt. the problem is, i don't know the type of the company and even the type of position i would be interview on since i dont know how my CV was pick though i have lot of CV out there with friends and lover. some moment after the caller drop her call, i try to called back to verify the location address as it was given; i also asked if i could call for further assistance ahead of the interview, but i don't know if its proper for me to call to know the type of company and the type of vacant position which i would be interview. any suggestion would be appreciated. thanks.

thank you to your contribution. God bless