Last night I was looking through a list of SFPD radio codes. Here are the best ones:
402b Abandoned refrigerator
819 Rolling of intoxicated person
909 Citizen requests interview
910 Check on well-being
10-07M Out of Service (meal)
10-12 Visitors are present (be discrete).
10-61 Miscellaneous public service.
10-62 Meet a citizen.
10-91B Noisy animal.
11-26 Abandoned bicycle.
Code 7 Mealtime.