The landline and mobile phone services were disrupted as the cables were cut on Friday morning at Gothgaun of Morang while linking a land plotting with the East-West Highway.
Some 100,000 telephone lines were affected, Nepal Telecom Regional Office, Biratnagar, said.
The repair works were not completed till mid-day, Sunday.
Necessary process for action has been moved ahead on the land owner who committed negligence and caused damage to public as well as Nepal Telecom while land-plotting, the Telecom said.
Telecom services disrupted for 4 days