Family Locator will soon be discontinued and transitioned to Verizon Smart Family™. Refer to these FAQs for more info.
"Verizon Wireless does not guarantee the accuracy or completeness of any information including location information. When the device is disabled, the battery is drained or it is out of the National Enhanced Services Rate and Coverage Area you will not be able to locate the device. Service and location information presented could be delayed, inaccurate, interrupted or disrupted due to atmospheric, environmental and geographic conditions, inaccurate ephemeris (satellite) data or other factors associated with use of satellites and satellite data, cell site location and information or other network conditions. Family Locator Zone should not be used as a child management tool and are not a substitute for adult supervision. Always use caution when displaying and disseminating personally identifiable information about the device, yourself or your location to anyone else."