Fairfax County Trunking System, Fairfax, Virginia

Fairfax County

System Name:	Fairfax County
Location:	Fairfax, VA
County:	2 Counties
System Type:	Project 25 Phase II
System Voice:	APCO-25 Common Air Interface Exclusive
System ID:	Sysid: 3C9 WACN: BEE00
Last Updated:	July 29, 2026, 18:40 pm UTC [Updated 3 talkgroups for George Mason University]

Sites and Frequencies

Key:###.####Ctrl control channel

Simulcast

RFSS 1 · 1Site 002 · 2NAC 3C2

Fairfax

20 freqs · 4 control

856.2625Ctrl857.2625Ctrl858.2625Ctrl859.2625Ctrl854.1375854.2625854.2875855.2625855.3875855.9625855.9875856.5375856.9125857.0125857.5625858.5375858.6125859.5375859.6375860.2625

Talkgroups

Grouped All Talkgroups New/Updated

Key: updated in the last 24 hours updated in the last 7 daysEnc full encryptionenc partial encryption (some clear traffic)Online active on Broadcastify Calls (24h)

Coordination

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DEC	HEX	Mode	Alpha Tag	Description	Tag
1325	52d	D	Ffx Coord D1	Coordination D1	Interop
1326	52e	D	Ffx Coord D6	Coordination D6	Interop
1327	52f	D	Ffx Coord D2	Coordination D2	Interop
1328	530	D	Ffx Coord D7	Coordination D7	Interop
1329	531	D	Ffx Coord D3	Coordination D3	Interop
1330	532	D	Ffx Coord D8	Coordination D8	Interop
1331	533	D	Ffx Coord D4	Coordination D4	Interop
1333	535	D	Ffx Coord D5	Coordination D5	Interop
5380	1504	D Enc	Ffx Coord D9	Coordination D9	Interop
5381	1505	D Enc	Ffx Coord D10	Coordination D10	Interop
5382	1506	D Enc	Ffx Coord D11	Coordination D11	Interop
5383	1507	D Enc	Ffx Coord D12	Coordination D12	Interop
5384	1508	D Enc	Ffx Coord D13	Coordination D13	Interop
5385	1509	D Enc	Ffx Coord D14	Coordination D14	Interop
5386	150a	D Enc	Ffx Coord D15	Coordination D15	Interop
5387	150b	D Enc	Ffx Coord D16	Coordination D16	Interop

Emergency Management

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DEC	HEX	Mode	Alpha Tag	Description	Tag
1022	3fe	D	Ffx OEM 1	Emergency Management 1	Emergency Ops
1024	400	D	Ffx OEM 2	Emergency Management 2	Emergency Ops

Fire

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Unknown talkgroups:
43M - (Encrypted)
44D - PD/FD Interop (Encrypted)
44E - PD/FD Interop (Encrypted)

DEC	HEX	Mode	Alpha Tag	Description	Tag
10Online	00a	D	FCFD DTMF Alert	DTMF Alerting	Data
12Online	00c	D	FCFD AVD	Automatic Voice Dispatch	Fire Dispatch
1044	414	D	FCFD FMTA 1	FMTA 1	Fire-Tac
1046	416	D	FCFD FMTA 2	FMTA 2	Fire-Tac
1048	418	D	FCFD FMTA 3	FMTA 3	Fire-Tac
1103Online	44f	D	FCFD 4B Resp 1	4B/42B Response 1	Fire-Tac
1105Online	451	D	FCFD 4C Int1	4C Inter 1 (response channel for interstate highway calls)	Fire-Tac
1107Online	453	D	FCFD 4D In10	4D Incident 10	Fire-Tac
1109Online	455	D	FCFD 4E Cmd 11	4E Command 11	Fire-Tac
1111	457	D	FCFD 4F In12	4F Incident 12	Fire-Tac
1113	459	D	FCFD 4G In13	4G Incident 13	Fire-Tac
1115Online	45b	D	FCFD 4H In20	4H Incident 20	Fire-Tac
1117	45d	D	FCFD 4I Cmd 21	4I Command 21	Fire-Tac
1119	45f	D	FCFD 4J In22	4J Incident 22	Fire-Tac
1121	461	D	FCFD 4K In23	4K Incident 23	Fire-Tac
1124	464	D	FCFD 45G	45G Systems 4	Fire-Tac
1125Online	465	D	FCFD 49B	49B Fairfax Hospital	Hospital
1126	466	D	FCFD Aircare	Aircare	Fire-Tac
1127	467	D	FCFD 45I	45I Event	Fire-Tac
1128	468	D	FCFD 49A MEDCOM	49A RHCC MEDCOM	Hospital
1129	469	D	FCFD 49I	49I Augusta Military Medical Center	Hospital
1130	46a	D	FCFD 49K MEDCOM2	49K RHCC MEDCOM 2	Hospital
1133	46d	D	FCFD 41B	41B Response 2	Fire-Tac
1145	479	D	FCFD 41H	41H Incident 40	Fire-Tac
1147	47b	D	FCFD 41I	41I Incident 41	Fire-Tac
1149	47d	D	FCFD 41J	41J MC1 (TG 231 on Arlington TRS)	Fire-Tac
1151	47f	D	FCFD 41K	41K MC2 (TG 232 on Arlington TRS)	Fire-Tac
1153	481	D	FCFD 42C	42C Incident 50	Fire-Tac
1157	485	D	FCFD 45C	45C Systems Branch Headquarters	Fire-Tac
1159Online	487	D	FCFD 45D	45D Systems 1	Fire-Tac
1161	489	D	FCFD 45E	45E Systems 2	Fire-Tac
1163	48b	D	FCFD 45F	45F Systems 3	Fire-Tac
1165	48d	D	FCFD 42J	42J Technical Rescue Operations Team 1	Fire-Tac
1167	48f	D Enc	FCFD 42K	42K Technical Rescue Operations Team 2E	Fire-Tac
1169	491	D	FCFD 43B	43B Response 3	Fire-Tac
1171	493	D	FCFD 43C	43C Interstate 3	Fire-Tac
1173	495	D	FCFD 43D	43D Incident 62	Fire-Tac
1175	497	D	FCFD 43E	43E Incident 63	Fire-Tac
1177	499	D	FCFD 43F	43F Incident 64	Fire-Tac
1179	49b	D	FCFD 43G	43G Incident 65	Fire-Tac
1181	49d	D	FCFD 42D	42D Incident 51	Fire-Tac
1185	4a1	D	FCFD 45H	45H Inspectors	Fire-Tac
1187	4a3	D Enc	FCFD 1187Enc	Encrypted	Fire-Tac
1193	4a9	D	FCFD 49C	49C Mount Vernon Hospital	Hospital
1195	4ab	D	FCFD 49E	49E Reston Hospital	Hospital
1197	4ad	D	FCFD 49F	49F Springfield Healthplex	Hospital
1199	4af	D	FCFD 49G	49G Inova Emergency Room - Fairfax City	Hospital
1201	4b1	D	FCFD 49H	49H Inova Emergency Room - Reston	Hospital
1203	4b3	D	FCFD 49-2B	49-2B Children's National Medical Center	Hospital
1205	4b5	D	FCFD 49D	49D Fair Oaks Hospital	Hospital
1207	4b7	D Enc	FCFD 46C	46C Training 1E	Fire-Tac
1209	4b9	D Enc	FCFD 46D	46D Training 2E	Fire-Tac
1211	4bb	D Enc	FCFD 46E	46E Training 3E	Fire-Tac
1213	4bd	D Enc	FCFD 46F	46F Training 4E	Fire-Tac
1217	4c1	D	FCFD 42G	42G Hazmat 1	Fire-Tac
1219	4c3	D	FCFD 42E	42E Incident 52	Fire-Tac
1221	4c5	D	FCFD 42F	42F Incident 53	Fire-Tac
1223	4c7	D	FCFD 42H	42H Hazmat 2	Fire-Tac
1225	4c9	D Enc	FCFD 42I	42I Hazmat 3E	Fire-Tac
1227	4cb	D	FCFD 43H	43H Incident 66	Fire-Tac
1229	4cd	D	FCFD 43I	43I Incident 67	Fire-Tac
1231	4cf	D	FCFD 43J	43J Incident 68	Fire-Tac
1285	505	D	FCFD 47L	47L Fairfax City Admin	Fire-Tac
1287	507	D	FCFD 47M	47M Fairfax City Prevention	Fire-Tac
1288	508	D	FCFD 47I	47I	Fire-Tac
1289	509	D	FCFD 47J	47J Fairfax City Ops	Fire-Tac
1291	50b	D Enc	FCFD 1291Enc	Encrypted	Fire-Tac
1293	50d	D	FCFD 47C	47C Fairfax City Event (also Fairfax City PD Ch. 6)	Fire-Tac
1294	50e	D Enc	FCFD 47K	47K Fairfax City Training	Fire-Tac
1351	547	D	FCFD 43K	43K Incident 69	Fire-Tac
1353	549	D	FCFD 42L	42L Marine 1	Fire-Tac
1355Online	54b	D	FCFD 42M	42M Marine 2	Fire-Tac
1356	54c	D Enc	FCFD 43L	43L E Incident 70	Fire-Tac
1411Online	583	D	FCFD MrshH1	Charles County - Marshall Hall 1	Interop
1412	584	D	FCFD MrshH2	Charles County - Marshall Hall 2	Interop
1413	585	D	FCFD Charl Patch	Charles County Patch	Interop
1519Online	5ef	D	FCFD 4A Disp	4A/41A/42A/43A/44A/45A/46A/47A Dispatch	Fire Dispatch
1521	5f1	D	FCFD 41C	41C Inter 2	Fire-Tac
1523Online	5f3	D	FCFD 41D	41D Incident 30	Fire-Tac
1525	5f5	D	FCFD 41E	41E Command 31	Fire-Tac
1527	5f7	D	FCFD 41F	41F Incident 32	Fire-Tac
1529	5f9	D	FCFD 41G	41G (simulcast of Great Falls 1 on Montgomery County system)	Fire-Tac
1531	5fb	D	FCFD 4L	4L	Fire-Tac
1535	5ff	D Enc	FCFD 46G	46G Battalion 1E	Fire-Tac
1536	600	D Enc	FCFD 46H	46H Battalion 2E	Fire-Tac
1537	601	D Enc	FCFD 46I	46I Battalion 3E	Fire-Tac
1538	602	D Enc	FCFD 46J	46J Battalion 4E	Fire-Tac
1539	603	D Enc	FCFD 46K	46K Battalion 5E	Fire-Tac
1540	604	D Enc	FCFD 46L	46L Battalion 6E	Fire-Tac
1541	605	D Enc	FCFD 46M	46M Battalion 7E	Fire-Tac
5425	1531	D	FCFD 49J LortHlt	49J Lorton HealthPlex	Hospital

Police

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Dispatch is on the Ops channels (encrypted).

DEC	HEX	Mode	Alpha Tag	Description	Tag
1001	3e9	D	FCPD HQ Disp	Headquarters Dispatch	Law Dispatch
1002	3ea	D Enc	FCPD MotrOp1	Motorcycle Ops 1	Law Tac
1003	3eb	D	FCPD HQ Ops1	Headquarters Ops 1	Law Tac
1004Online	3ec	D	FCPD MotrOp2	Motorcycle Ops 2	Law Tac
1006Online	3ee	D	FCPD MotrOp3	Motorcycle Ops 3	Law Tac
1007	3ef	D Enc	FCPD MotrOp4	Motorcycle Ops 4	Law Tac
1011	3f3	D Enc	FCPD 1011 Enc	Encrypted	Law Tac
1015Online	3f7	D	FCPD PMARS	PMARS	Interop
1017	3f9	D	FCPD SIRS	SIRS	Interop
1018	3fa	D	FCPD NVRegGangTF	Northern Virginia Regional Gang Task Force	Law Tac
1020	3fc	D Enc	FCPD Gang Unit	Gang Unit	Law Tac
1021	3fd	D Enc	FCPD LincolnUnit	Lincoln Unit	Law Tac
1025	401	D Enc	FCPD Narc Unit	Narcotics Unit	Law Tac
1027	403	D	FCPD Academy	Academy	Law Talk
1029	405	D Enc	FCPD Range	Academy - Range	Law Talk
1031	407	D Enc	FCPD Track 6	Academy - Track 6	Law Talk
1042	412	D Enc	FCPD 1042 Enc	Encrypted	Law Tac
1043	413	D Enc	FCPD Trng 1	Academy - Training 1	Law Talk
1045	415	D Enc	FCPD Trng 2	Academy - Training 2	Law Talk
1047	417	D	FCPD Trng 3	Academy - Training 3	Law Talk
1053Online	41d	D	FCPD MV Disp	2 Mount Vernon Dispatch	Law Dispatch
1055	41f	D Enc	FCPD MV Ops1	Mount Vernon Ops 1	Law Tac
1057	421	D Enc	FCPD MV Ops2	Mount Vernon Ops 2	Law Tac
1059Online	423	D	FCPD FR Disp	6 Franconia Dispatch	Law Dispatch
1061	425	D Enc	FCPD FR Ops1	Franconia Ops 1	Law Tac
1063	427	D Enc	FCPD FR Ops2	Franconia Ops 2	Law Tac
1065Online	429	D	FCPD WS Disp	7 West Springfield Dispatch	Law Dispatch
1067	42b	D Enc	FCPD WS Ops1	West Springfield Ops 1	Law Tac
1069	42d	D Enc	FCPD WS Ops2	West Springfield Ops 2	Law Tac
1071Online	42f	D	FCPD MS Disp	4 Mason Dispatch	Law Dispatch
1073	431	D Enc	FCPD MS Ops1	Mason Ops 1	Law Tac
1075	433	D Enc	FCPD MS Ops2	Mason Ops 2	Law Tac
1077	435	D	FCPD MC Disp	3 McLean Dispatch	Law Dispatch
1079	437	D Enc	FCPD MC Ops1	McLean Ops 1	Law Tac
1081	439	D Enc	FCPD MC Ops2	McLean Ops 2	Law Tac
1083Online	43b	D	FCPD RE Disp	5 Reston Dispatch	Law Dispatch
1085	43d	D Enc	FCPD RE Ops1	Reston Ops 1	Law Tac
1087	43f	D Enc	FCPD RE Ops2	Reston Ops 2	Law Tac
1089Online	441	D	FCPD FO Disp	8 Fair Oaks Dispatch	Law Dispatch
1091	443	D Enc	FCPD FO Ops1	Fair Oaks Ops 1	Law Tac
1093	445	D Enc	FCPD FO Ops2	Fair Oaks Ops 2	Law Tac
1095Online	447	D	FCPD SU Disp	1 Sully Dispatch	Law Dispatch
1097	449	D Enc	FCPD SU Ops1	Sully Ops 1	Law Tac
1099	44b	D Enc	FCPD SU Ops2	Sully Ops 2	Law Tac
1277	4fd	D Enc	FCPD AC	Animal Control	Law Tac
1404	57c	D	FCPD FtB Pch	Mount Vernon/Franconia Patch to Fort Belvoir	Law Dispatch
5424	1530	D Enc	FCPD TysonsUrban	Tysons Urban Team	Law Tac
5474	1562	D enc	FCPD Surv	Surveillance	Law Tac

Sheriff

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DEC	HEX	Mode	Alpha Tag	Description	Tag
1233Online	4d1	D	Ffx ADC Ops	Adult Detention Center Ops (also Fire 47G)	Corrections
1235	4d3	D Enc	Ffx ADC Tac1	Adult Detention Center Tac 1	Corrections
1237	4d5	D Enc	Ffx ADC Tac2	Adult Detention Center Tac 2	Corrections
1239	4d7	D Enc	Ffx ADC Log	Adult Detention Center Logistics	Corrections
1241	4d9	D Enc	Ffx ADC Diag	Adult Detention Center Diag	Corrections
1245	4dd	D Enc	Ffx ADC Trns	Adult Detention Center Transportation	Corrections
1247	4df	D	Ffx AIB Ops	Alternative Incarceration Branch Ops (also Fire 47H)	Corrections
1248	4e0	D	Ffx AIB PLS	Alternative Incarceration Branch Project Lifesaver	Corrections
1249	4e1	D Enc	Ffx AIB Tac1	Alternative Incarceration Branch Tac 1	Corrections
1251	4e3	D Enc	Ffx AIB Tac2	Alternative Incarceration Branch Tac 2	Corrections
1253	4e5	D Enc	Ffx AIB CLF	Alternative Incarceration Branch Community Labor Force	Corrections
1257	4e9	D	Ffx Cts Ops	Courts Ops	Law Talk
1259	4eb	D Enc	Ffx Cts Tac1	Courts Tac 1	Law Talk
1261	4ed	D Enc	Ffx Cts JDR	Courts Juvenile/Domestic Relations	Law Talk
1263	4ef	D Enc	Ffx Cts Circ	Courts Circuit Court	Law Talk
1265	4f1	D Enc	Ffx Cts SAT	Courts SAT	Law Talk
1267	4f3	D Enc	Ffx Cts Sec	Courts Security (also Fire 47I)	Law Talk
1269	4f5	D Enc	Ffx Cts Tac2	Courts Tac 2	Law Talk
1271	4f7	D Enc	Ffx Cts Civi	Courts Civil	Law Talk
1273	4f9	D Enc	Ffx Cts GenD	Courts General District	Law Talk
1276	4fc	D Enc	Ffx Cts Sys	Courts Systems	Law Talk

Schools

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DEC	HEX	Mode	Alpha Tag	Description	Tag
1335	537	D	FCPS Sec Command	Security Command	Security
1336	538	D Enc	FCPS Sec Ops 2	Security Ops 2	Security
1337Online	539	D	FCPS Sec Main	Security Main	Security
1338	53a	D	FCPS Sec Ops 1	Security Ops 1	Security

Services

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DEC	HEX	Mode	Alpha Tag	Description	Tag
1281Online	501	D	Ffx MotProjT	Motorola Project Team	Public Works
1283Online	503	D	Ffx RadioShp	Radio Shop	Public Works
1323	52b	D	Ffx MotProjT	Motorola Project Team	Public Works
1433Online	599	D	Ffx JuvDMain	Juvenile Detention Main	Corrections
1435	59b	D	Ffx JuvDTac1	Juvenile Detention Tac 1	Corrections
1437	59d	D	Ffx JuvDTac2	Juvenile Detention Tac 2	Corrections

Fairfax City

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DEC	HEX	Mode	Alpha Tag	Description	Tag
1295	50f	D	FfxCityPD 1 Disp	1 Police Dispatch/Ops (also Fire 47D)	Law Dispatch
1297	511	D Enc	FfxCityPD 2 Ops1	2 Police Ops 1 (currently used for Dispatch)	Law Tac
1299	513	D Enc	FfxCityPD 3 Ops2	3 Police Ops 2 (Internal Ops)	Law Tac
1301	515	D	FfxCityPD 4 Ops3	4 Police Ops 3 (Internal Ops)	Law Tac
1303	517	D Enc	FfxCityPD 5 SWAT	5 Police SWAT (shared countywide)	Law Tac

Vienna

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DEC	HEX	Mode	Alpha Tag	Description	Tag
1305	519	D	Vienna PD Disp	Police Dispatch	Law Dispatch
1307	51b	D Enc	Vienna PD Ops 1	Police Ops 1 (currently used for Dispatch)	Law Tac
1309	51d	D Enc	Vienna PD Ops 2	Police Ops 2	Law Tac

Herndon

View Talkgroup Category Details

DEC	HEX	Mode	Alpha Tag	Description	Tag
1311	51f	D	Hern PD Disp	Police Dispatch	Law Dispatch
1313	521	D Enc	Hern PD Ops 1	Police Ops 1 (currently used for Dispatch)	Law Tac
1315	523	D Enc	Hern PD Ops 2	Police Ops 2	Law Tac
1317	525	D Enc	Hern PD Ops 3	Police Ops 3	Law Tac
1319	527	D	Hern PD Ops 4	Police Ops 4	Law Tac

Other

View Talkgroup Category Details

DEC	HEX	Mode	Alpha Tag	Description	Tag
1321	529	D	MWAA PD Backup	Metropolitian Washington Airports Authority Police Backup	Law Dispatch
1363	553	D	FallsChurchPD	Falls Church Police (backup)	Law Dispatch
1370	55a	D	MPD Surveillance	Metropolitan Police Surveillance	Law Tac
1400	578	D	Ffx FBI 1	FBI 1	Interop
1402Online	57a	D	Ffx DCIO 2	DC Interop 2	Interop
1407	57f	D Enc	VSP Fairfax1	Virginia State Police Fairfax 1 Patch	Law Dispatch
1408	580	D Enc	VSP Fairfax2	Virginia State Police Fairfax 2 Patch	Law Dispatch
1409	581	D Enc	VSP Fairfax3	Virginia State Police Fairfax 3 Patch	Law Dispatch
1419Online	58b	D	Ffx DCIO 1	DC Interop 1	Interop
1552	610	D	NVCC PD	Northern Virginia Community College Police (backup)	Law Dispatch
1553	611	D	NVCC PD Alt	Northern Virginia Community College Police Alternate (backup)	Law Tac
5377	1501	D	Ffx PSAP MA	Public Safety Answering Point Mutual Aid	Interop
5410	1522	D	Ffx-Arl InOp	Fairfax-Arlington Interop	Interop
5429	1535	D	Ffx MtrPoolTechs	Motor Pool Techs	Public Works

Prince William Backup

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DEC	HEX	Mode	Alpha Tag	Description	Tag
1439	59f	D	PWPD Admin	Police Admin	Law Tac
1441	5a1	D	PWPD East 1	Police East 1	Law Dispatch
1443	5a3	D	PWPD East 2	Police East 2	Law Dispatch
1449	5a9	D	PWFD 5A Disp	Fire 5A Dispatch	Fire Dispatch
1451	5ab	D	PWFD 5B Resp 1	Fire 5B Response 1	Fire-Tac

George Mason University

View Talkgroup Category Details

DEC	HEX	Mode	Alpha Tag	Description	Tag
1459	5b3	D	GMU Dispatch 1	Dispatch 1	Law Dispatch
1460	5b4	D	GMU Dispatch 2	Dispatch 2	Law Dispatch
1551	60f	D Enc	GMU Ops 1	Ops 1 (used for mobile traffic)	Law Tac
1554	612	D Enc	GMU Ops 2	Ops 2 (used for mobile traffic)	Law Tac
1555Online	613	D	GMU Spec Events	Special Events (used for Dispatch)	Law Tac

Fairfax County

Sites and Frequencies

Talkgroups

Coordination Copy View Talkgroup Category Details

Emergency Management Copy View Talkgroup Category Details

Fire Copy View Talkgroup Category Details

Police Copy View Talkgroup Category Details

Sheriff Copy View Talkgroup Category Details

Schools Copy View Talkgroup Category Details

Services Copy View Talkgroup Category Details

Fairfax City Copy View Talkgroup Category Details

Vienna Copy View Talkgroup Category Details

Herndon Copy View Talkgroup Category Details

Other Copy View Talkgroup Category Details

Prince William Backup Copy View Talkgroup Category Details

George Mason University Copy View Talkgroup Category Details