System upgrades to the city's phone system will be underway from 7 a.m. to 6 p.m.

During this service interruption, the following numbers are provided to report non-life threatening emergency situations:

Fire Dispatch - 909-983-5911

Police Dispatch - 909-465-6837

9-1-1- should be used to report life- threatening emergencies.

The city's on-call hotline 909-364-2860, will be operational when the system returns to normal after 6 p.m.