The postal organization which preceded the Nigerian Postal Service is
Answer Details
The postal organization which preceded the Nigerian Postal Service is the "Post and Telegraph". This organization was responsible for providing postal and telegraph services in Nigeria before it was replaced by the Nigerian Postal Service (NIPOST) in 1985. The Post and Telegraph was established in the late 19th century during the colonial era, and it played a significant role in the communication and postal services of the country at that time.