747 centres have been approved CBT and listed by JAMB for the conduct of the 2020 UTME. The updated list are categorized state by state for easy location of centres across Nigeria. From the PDF document, CENTRES typed in red are blacklisted.
Candidates with blacklisted CBT centre should not be panic, JAMB will relocate all blacklisted centres before the examination date. This relocation will be reflected on the reprint of your JAMB Exam Slip. The date for JAMB examination slip reprinting will be announced before the commencement of exams on 14th March.
Get more detail information from JAMB official website