After almost a week of work, Verizon expects all service in the area to be restored by today.
"We continue to make good progress," Verizon spokesman Phil Santoro said Friday. "We restored another 400-plus customers who are served on the copper network."
Copper is more difficult to restore than fiber, Santoro added.
Most of North Andover already has service restored, including the and which lost service for a couple days after the fire.
Check out this video Santoro released of Verizon workers repairing lines.