Montgomery Co Radio IDs

[CommJunkie]

Looking through the Wiki (Montgomery County (PA) Radio IDs - The RadioReference Wiki) it looks like 99% of these are pre-2020 radio upgrade and should be discarded. The current UIDs follow a pattern that I can't explain why they chose but it sorta makes sense.

Out of 8 digits, my research has it broken down like this:

The first digit is a 0 for portable or a 1 for mobile
The second digit is a 3 for EMS or a 5 for Fire
The third digit identifies the county the unit is from. (1=Montco 3=Chester 4=Bucks 5=Philadelphia 6=Delco 7=Berks). Not sure why they skipped 2.
The fourth and fifth digits are the company number. For EMS, they use the second two digits. (Ex: 308 uses 08)
The sixth, seventh, and eighth digits are the radio number, which don't necessarily correspond to the unit number itself.

So a completed EMS ID would look like 13108001 and a completed fire ID would look like 15133001

If anyone has any insight on why they chose this configuration, I'm interested to hear.

 

[Whiskey3JMC]

2nd digit is "0" for police (Full "E")
Dispatch consoles are all zeros with exception of last character or two (00000004, 00000019, etc)

 

[CommJunkie]

2nd digit is "0" for police (Full "E")
Dispatch consoles are all zeros with exception of last character or two (00000004, 00000019, etc)

I guess I never came across 0 because I can't hear PD
I do have the dispatch ones, the highest I have listed is 21.

 

[One13Truck]

That 3-Chester, 4-Bucks numbering for out of County seems to match up with CAD unit ID’s. At least from what I see on Pulse Point. I think I also saw an 8 for Lehigh units a few times as well.

I can’t really add too much else though. I listen from another part of the state and only get to monitor live a handful of times a Summer so it’ll be a few more months before I can check.

 

[CommJunkie]

That 3-Chester, 4-Bucks numbering for out of County seems to match up with CAD unit ID’s. At least from what I see on Pulse Point. I think I also saw an 8 for Lehigh units a few times as well.

I can’t really add too much else though. I listen from another part of the state and only get to monitor live a handful of times a Summer so it’ll be a few more months before I can check.

Yes, the numbers match the CAD designations for the county, and 8 is Lehigh. Lehigh rarely comes to Montco but I did catch them during the SPS fire