All police communication codes in NC
10-0: Use Caution
10-1: Weak Signal
10-2: Good Signal
10-3: Stop Transmitting
10-4: Affirmative
10-5: Relay To/From
10-9: Say Again
10-10: Negative
10-12: Stand By
10-14: Message / Information
10-15: Message Delivered
10-16: Reply to Message
10-20: Location
10-21: Call by Phone
10-22: Disregard
10-26: ETA
10-32: ____ Units Needed
10-34: Current Time
10-47: Complete Assignment Quickly
10-57: Request BT Operator
10-63: Prepare to Receive an Assignment
10-69: Advise Telephone Number
10-81: Nature of Fire
10-85: Respond without Blue Lights/Siren