For the most part, the PPD uses very few numerical codes over the radio. On most days you will the following:
45 - Auto Accident Report
48 - Incident Report
302 - Mental Case
369 - Off Duty Police Officer
1037 - Drunk Driver
5292 - Dead Body
You will also hear the following disposition codes:
UNF - Unfounded
RTF - Report to Follow
GOA - Gone on Arrival
NAT - Necessary Action Taken
As for the PFD, the following "boxes" are dispatched for fires:
Tactical Box - 2 Engines, 2 Ladders and 1 Battalion Chief
Box - 4 Engines, 2 Ladders and 2 Battalion Chiefs
High Rise Box - 4 Engines, 3 Ladders and 2 Battalion Chiefs