HILLSBORO, Ohio — The Hillsboro Police Department’s telephone lines will be temporarily affected starting at 9 a.m. Tuesday, Nov. 3, as AT&T upgrades the department’s phone system, according to the city.

UPDATE (Oct. 19, 12:21 p.m.): This story has been updated with additional information from the City of Hillsboro.

The upgrade, previously scheduled for Oct. 21, has been pushed back to Nov. 3, the city said.

Residents who are unable to reach the police department by phone during the upgrade and have an emergency should dial 911 instead, the city said.

The city did not specify how long the upgrade work is expected to last.

The information contained in this story was obtained from the City of Hillsboro.