Nassau County Public Safety

System Name: Nassau County Public Safety
Location: Nassau County, NY
County: Nassau
System Type: Project 25 Phase II
System Voice: APCO-25 Common Air Interface Exclusive
System ID: Sysid: 1AE WACN: BEE00
Last Updated: June 12, 2022, 12:11 pm CDT   [Updated P25 CH ID Table [1AE]]
System Notes

The Nassau County Public Safety P25 system broadcasts Phase 2 is enabled, but there are no Phase 2 talk groups on the system yet.
Any P25 scanner can monitor the Unencrypted Talk Groups, but a Phase 2 capable scanner will be required to monitor any unencrypted Phase 2 talk groups should any be used on this system.

Observations and Monthly Log files can be viewed at

Nassau County Police 500Mhz Radio Layout can be viewed here

Sites and Frequencies

Red (c) are control channel capable frequencies
RFSS Site Name Freqs
1 (1) 001 (1) Oyster Bay Simulcast 501.375501.4125501.625501.650501.725501.850c502.500502.550c
1 (1) 002 (2) UHF Simulcast 500.450500.475500.525500.550500.650500.700500.725500.775
1 (1) 003 (3) 800 Simulcast 851.1875c851.3375c851.5875c851.625c851.7375851.8375851.900852.1125
1 (1) 004 (4) 700 South Simulcast 770.26875c771.14375c771.39375c771.90625c    
1 (1) 005 (5) 700 North Simulcast 771.13125c771.38125c771.86875c771.91875c    


DEC HEX Mode Alpha TagDescriptionTag
110244eDE1/7 Admin1st and 7th AdminLaw Talk
110344fDE1/7 Detail1st and 7th DetailLaw Talk
110144dDENCPD 1/71st and 7th PrecinctLaw Dispatch
12024b2DE2/8 Admin2nd and 8th AdminLaw Talk
12034b3DE2/8 Detail2nd and 8th DetailLaw Tac
12014b1DENCPD 2/82nd and 8th PrecinctLaw Dispatch
1302516DE3/6 Admin3rd and 6th AdminLaw Talk
1303517DE3/6 Detail3rd and 6th DetailLaw Tac
1301515DENCPD 3/63rd and 6th PrecinctLaw Dispatch
140257aDE4/5 Admin4th and 5th AdminLaw Talk
140357bDE4/5 Detail4th and 5th Pct DetailLaw Tac
1401579DENCPD 4/54th and 5th PrecinctLaw Dispatch
1040410DEAux PD 1Auxiliary Police Main 1Law Tac
1041411DEAux PD 2Auxiliary Police Main 2Law Tac
105041aDEAviationAviation VHFLaw Dispatch
107042eDEBSOBSOLaw Tac
10023eaDEC/W 1Countywide 1Law Tac
10033ebDEC/W 2Countywide 2Law Tac
20117dbDENCPD DETDetectivesLaw Tac
1906772DEEABEAB ?Law Tac
10203fcDEEAB DetailEAB DetailLaw Tac
190176dDEHWY/ESUHWY / ESU / K-9Law Dispatch
190276eDEHWY/ESU AdmnHWY / ESU AdminLaw Talk
107142fDESURV-DOld UHF C11 - Surv-DLaw Tac
1030406DEPUB-SECPublic SafetyPublic Works

NCFD talkgroups have been logged as unencrypted with very little usage.

NCFD P25 radios will be programmed with UHF channels of each department's choice, plus the NCFD P25 TGs and several UHF interop frequencies.

Talk Groups 5051 and Above are on the 800 Cell (Layer)

DEC HEX Mode Alpha TagDescriptionTag
505113bbDFIRECOM 1FIRECOM 1 - Battalion EOC and Tech Rescue TeamsFire-Tac
505213bcDFIRECOM 2FIRECOM 2 - Fire Marshall and Field ComFire-Tac
4021fb5DFireMarshalNassau County Fire MarshalsFire-Tac
40991003DNCFD InterOpNassau County Fire InterOpFire-Talk
4001fa1DNCFD Batt 1Nassau County Fire 1st BattalionFire-Tac
4002fa2DNCFD Batt 2Nassau County Fire 2nd BattalionFire-Tac
4003fa3DNCFD Batt 3Nassau County Fire 3rd BattalionFire-Tac
4004fa4DNCFD Batt 4Nassau County Fire 4th BattalionFire-Tac
4005fa5DNCFD Batt 5Nassau County Fire 5th BattalionFire-Tac
4006fa6DNCFD Batt 6Nassau County Fire 6th BattalionFire-Tac
4007fa7DNCFD Batt 7Nassau County Fire 7th BattalionFire-Tac
4008fa8DNCFD Batt 8Nassau County Fire 8th BattalionFire-Tac
4009fa9DNCFD Batt 9Nassau County Fire 9th BattalionFire-Tac
504513b5DFD TAC-1FD TAC-1Fire-Tac
504613b6DFD TAC-2FD TAC-2Fire-Tac
504713b7DFD TAC-3FD TAC-3Fire-Tac
505813c2DFD TAC-4FD TAC-4Fire-Tac
DEC HEX Mode Alpha TagDescriptionTag
65001964DVEMS MainVolunteer EMS MainEMS Dispatch
60011771DMEDCOM 1MEDCOM 1Hospital
60021772DMEDCOM 2MEDCOM 2Hospital
60031773DMEDCOM 3MEDCOM 3Hospital
Countywide Interop
DEC HEX Mode Alpha TagDescriptionTag
102066D800 I/ONassau InterOpInterop
103067DESCPD I/OSuffolk County Police InterOpLaw Tac
105069DNCPD E1NCPD E1Interop
10606aDNCPD E2NCPD E2Interop
10706bDNCPD E3NCPD E3Interop
10806cDNCPD E4NCPD E4Interop
10906dDNCPD E5NCPD E5Interop
11006eDNCPD E6NCPD E6Interop
11106fDNCPD E7NCPD E7Interop
112070DNCPD E8NCPD E8Interop
113071DNCPD E9NCPD E9Interop
114072DNCPD E10NCPD E10Interop
DEC HEX Mode Alpha TagDescriptionTag
21611546bDETwnOysterBayTown of Oyster Bay Public Safety, OEM, and Bay ConstablesMulti-Dispatch

Most Village Police are on the 500Mhz TRS

East Hills Security is only on the 800Mhz Cell

DEC HEX Mode Alpha TagDescriptionTag
201014e85DEast HillsEast Hills SecurityLaw Dispatch
203004f4cDEFloral PK PDFloral Park PoliceLaw Dispatch
205005014DEGardenCityPDGarden City PoliceLaw Dispatch
2070050dcDEGNE/Kens PDGreat Neck Estates / Kensington PoliceLaw Dispatch
208005140DEHempstead PDHempstead PoliceLaw Dispatch
210005208DELkSuccess PDLake Success PoliceLaw Dispatch
21100526cDELongBeach PDLong Beach PoliceLaw Dispatch
2120052d0DELynbrook PDLynbrook PoliceLaw Dispatch
213005334DEMalverne PDMalverne PoliceLaw Dispatch
2150053fcDEOldWstbry PDOld Westbury PoliceLaw Dispatch
2170054c4DEPortWash PDPort Washington PoliceLaw Dispatch
218005528DERckvlCntr PDRockville Centre PoliceLaw Dispatch
21900558cDESands Pt PDSands Point PoliceLaw Dispatch
Sheriff Department

Talk Groups that start with a 5xxx are on the 500Mhz Trunk Sites
Talk Groups that start with a 8xxx are on the 800Mhz Trunk Sites.

As of July 2020, The 5xxx and 8xxx talk groups are patched together.

DEC HEX Mode Alpha TagDescriptionTag
5002138aDPrisoner TxpPrisoner TransportLaw Tac
5003138bDNC SheriffSheriff (500Mhz Sites)Law Dispatch
5004138cDNC SheriffSheriff (500Mhz Sites)Law Tac
5005138dDCorrections TACCorrections TacLaw Tac
50091391DSheriff MineolaSheriffs Mineola UnitLaw Dispatch
50101392DNCSO Enf NEnforcement Division - NorthLaw Tac
50111393DNC SO Enf SEnforcement Division - SouthLaw Tac
50151397DJail MaintJail MaintenanceCorrections
50161398DJail AdminJail Maintenance AdminCorrections
5020139cDSheriff M/ASheriff Mutual AidLaw Tac
5021139dDCorrect AdminCorrections AdminCorrections
502613a2DSheriff TechsSheriff Radio TechsPublic Works
80031f43DNC SheriffSheriff (800Mhz Sites)Law Dispatch
80041f44DNC SheriffSheriff (800Mhz Sites)Law Tac
Office of Emergency Management

Talk Groups are on the 800 Cell (Layer)

DEC HEX Mode Alpha TagDescriptionTag
5019139bDOEM MainOEM MainEmergency Ops
503113a7DOEM CERTCommunity Emergency Response TeamEmergency Ops
503313a9DOEM VillagesOEM VillagesEmergency Ops
DEC HEX Mode Alpha TagDescriptionTag
503613acDNassau DPWNassau County DPWPublic Works
60001ea61DGrtNck WaterWater Authority of Great Neck NorthPublic Works
Nassau University Medical Center
DEC HEX Mode Alpha TagDescriptionTag
503013a6DNUMC TacNUMC TacHospital
503813aeDNUMC MainNUMC MainHospital
DEC HEX Mode Alpha TagDescriptionTag
1001DTestingTestingPublic Works
2002DTestingTestingPublic Works
3003DTestingTestingPublic Works
4004DTestingTestingPublic Works
5005DTestingTestingPublic Works
6006DTestingTestingPublic Works
10003e8DTestingTestingPublic Works