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Customs and Border Protection

Customs and Border Protection is part of the Department of Homeland Security. Its primary law enforcement role focuses on ports of entry and border protection. CBP includes the former U.S. Border Patrol, much of the former U.S. Customs Service, the former Animal and Plant Health Inspection Service (U.S. Department of Agriculture), and the some of the former U.S. Immigration and Naturalization Service ("INS"). Immigration and Customs Enforcement (ICE) took the investigative roles of the former U.S. Customs Service and INS.

Customs Border Protection Sector Map

  • The COTHEN Network - This page lists each of the frequencies in use for the HF CBP Over-the-Horizon Enforcement Network. Also listed here are additional resources and information regarding the COTHEN Network.
  • It has been found that CBP (CBP / BP / ICE) use many NAC's - Most Common are 001, 301 and 325, others can be found at Federal NAC Codes


CBP Nets

The Link above CBP Nets is a work in progress, for confirmed information relative to CBP Nets across the Country.
Please submit your confirmed regional information TO THE ABOVE LINK

"Air" Channels

168.8375  293 NAC  Air 1
168.9625  293 NAC  Air 2 
169.2625  293 NAC  Air 3 
169.1625  293 NAC  Air 4
169.3875  293 NAC  Air 5
163.4500  293 NAC  Air 6
166.8875  293 NAC  Air 7
166.7875  293 NAC  Air 8
163.4750  293 NAC  Air 9

CBP Office of Air and Marine

Identifier Codes

AlphaInvestigations (ICE)
BravoBorder Patrol
CharlieCommunications Division
Charlie-100NLECC Orlando, FL (nationwide communications center)
Charlie GolfUS Coast Guard
Charlie Golf Alpha? (running a license plate with Charlie-100 on Net-1 in Houston)
Charlie X-RayNOAA NMF
DeltaPort Headquarters
Delta Oscar LimaDepartment of Labor Office of Inspector General?
Foxtrot Papa SierraFederal Protective Service
GolfICE Enforcement and Removal Operations (ERO)
IndiaCBP Field Operations
KiloK-9 Enforcement
LibertyNational Guard helicopters in Texas
LimaAviation Personnel
MikeMarine Operations
November GolfNational Guard helicopters in Texas
PapaIRS CID (self-identified on Net-1 in Houston)
RomeoCBP Field Offices
Romeo Romeo BravoRailroad Retirement Board Office of Inspector General? (heard on CBP Nets in Houston)
SierraInternal Affairs
TangoICE Task Force
WhiskeyBureau of Alcohol, Tobacco, Firearms and Explosives?
X-RayAir Support
ZuluSpecial assignments

Border Patrol Unit IDs

RomeoRapid Response Team (in use Rio Grande City)
Whiskey HotelWackenhut Contract Guards (in use near El Paso)
X-RayBorder Patrol Agents (in use in San Antonio)
ZuluBORTAC units

Vehicle Identifier Codes

CharlieFord Freestyle
EchoDodge Charger, Ford Crown Victoria Police Interceptor
Foxtrot Dodge Magnum
HotelArmored GMC Yukon, Armored Ford Bronco, Jeep Rubicon
KiloChevy 2500 Truck (Railroad truck), Chevy 1500, Ford F250
MikeChevy Tahoe, Hummer H1 & H2, Ford Excursion, Jeep Rubicon
PapaFord Minivan, Chevy 2500 Van, Dodge 3500 Van
Uniform15 Passenger Van
ZuluDune Buggy
Mike-RomeoMobile Radio Portable Unit (X-Ray Vehicles)

Sector IDs?

1st digit = Sector [Users are now using the STATE Name vs the Sector #, however you will still find some ole' timers]
1 Boston			
2 NYC				
3 Baltimore 			
4 Miami 			
5 New Orleans 			
6 Houston			
7 Los Angeles 			
8 Chicago			
M Boat
N Aircraft
R Special Enforcement
S Internal Affairs
T Tactical Enforcement
X Joint Task Force

State Data

New York

Buffalo base = "680"  KAD680
Buffalo cars = 418,419,421

Thanks to for the NY data and sector codes

See also

Return to DB page: Customs and Border Protection
Return to Wiki page: Common Frequencies

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