One dead fixture suggests a local stop, cartridge, aerator, frozen component, or branch issue rather than a service-wide outage.
Avoid repeatedly cycling pumps, heater controls, or valves that you do not understand. The most useful call begins with which outlets were tested, whether hot and cold are both affected, the visible meter or valve condition, and whether the district has reported an interruption.
Keep this boundary: No water does not by itself prove a broken service line, failed pump, unpaid account, or district outage.