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Chatham County Police Frequencies

Chatham County in North Carolina has 3 countywide conventional frequencies and 5 countywide talkgroups in our database. Use the list of 23 cities and communities below for local police departments.

About Chatham County Police Frequencies

  • 3 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
  • Trunked radio systems that carry law-enforcement traffic here: North Carolina VIPER: 5 talkgroups. A trunking scanner is required, and it must support the system type shown.
  • To follow a trunked system, program a control channel first. For Chatham County, start with the Chatham Mtn site of North Carolina VIPER. Its control channels: 853.4125, 853.6875 MHz.

Chatham County conventional frequencies

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
Chatham County SheriffChatham County Sheriff – Dispatch453.3500
In 458.3500
156.7 PLFMWNMX396
Chatham County SheriffChatham County Sheriff – Dispatch453.8000
In 458.8000
156.7 PLFMWAU735

Tactical

AgencyDescriptionFrequency (MHz)ToneModeFCC
Chatham County SheriffChatham County Sheriff – Tactical Channel460.4125
In 465.4125
152 DPLFMWMNX396

Chatham County trunked talkgroups

North Carolina VIPER

AgencyDescriptionTalkgroupHexMode
Chatham County SheriffSheriffs Office100032713D
Chatham County SheriffSheriffs Office100172721T
Chatham County SheriffSheriffs Office100182722T
Chatham County SheriffSheriffs Office100192723T
Chatham County SheriffSheriffs Office100532745T

Radio system sites in Chatham County

Program the control channel first; your scanner finds the voice channels from it.

Chatham Mtn · North Carolina VIPER
RFSS 1 · Site 13 (hex D) · NAC 1F3
Control 853.4125, 853.6875
Voice 851.2375, 851.6625, 852.2125, 857.5375, 858.1125, 859.1125
Chatham Simulcast · North Carolina VIPER
RFSS 1 · Site 59 (hex 3B) · NAC 1F9
Control 772.70625, 772.91875, 773.23125, 773.69375
Voice 769.83125, 770.20625, 770.50625, 770.75625, 771.25625, 771.53125, 771.80625, 772.45625
What do these numbers mean?
Control channel
The frequency your scanner listens to first. It tells the scanner where each voice call is happening, so program it before anything else.
Voice
The other frequencies the site uses for calls. A trunking scanner follows them automatically once it has the control channel.
Site
One tower location of the system. Scanners show the number in decimal or hex, so both are listed.
RFSS (Radio Frequency Sub-System)
A group of sites run by the same controller. Large Project 25 systems can have several.
NAC (Network Access Code)
A hex code the site transmits. Your scanner can use it to ignore other systems on the same frequency.
Talkgroup
A virtual channel on a trunked system, such as one agency’s dispatch. Programming uses the decimal or hex number, depending on your scanner.

Cities & communities in Chatham County

Common questions

What frequency do the police use in Chatham County?

Dispatch channels listed for Chatham County: Chatham County Sheriff 453.3500 MHz (156.7 PL); Chatham County Sheriff 453.8000 MHz (156.7 PL).

Are Chatham County police talkgroups encrypted?

None of the 5 talkgroups listed for Chatham County are marked encrypted.