Officials say 9-1-1 has been restored throughout parts of northern and southern Arizona as of Monday evening.
In southern Arizona, the Pima and Cochise County Sheriff's Departments, Tucson police, Oro Valley police, Northwest Fire District, and the City of Tucson were all reporting outages.
In northern Arizona, agencies across Yavapai County and Flagstaff reported outages.
Officials say 9-1-1 has been restored for the Cottonwood Public Safety Communication Center, Yavapai County and Flagstaff.
The cause of the outages are currently being investigated by CenturyLink and Lumen Technologies.