Incident Reporting Settings Incident Number Length By default, incident numbers are only 7 digits long. Incident numbers can be increased to a maximum of 9 digits. To enable/disable this feature: Sign in to Fire Station Desktop. In the left menu, select Admin > Manage Settings . Select the  Incident Reporting tab. On the right side of the panel, select/deselect the checkbox labeled "Allow 9-digit Incident Numbers". Click the "Save" button at the top of the page. NFIRS 5.0 only supports 7-digit incident numbers. For this reason NFIRS calls do not support the new 9-digit incident numbers. If you convert a quick call with a 9-digit incident number into a NFIRS call, the NFIRS incident number must be changed to 7-digits before the call can be validated.