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Simpson County Police Frequencies

Simpson County in Mississippi has 0 countywide conventional frequencies and 3 countywide talkgroups in our database. Use the list of 4 cities and communities below for local police departments.

About Simpson County Police Frequencies

  • Trunked radio systems that carry law-enforcement traffic here: Mississippi Wireless Information Network (MSWIN): 3 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 Simpson County, start with the Harrisville site of Mississippi Wireless Information Network (MSWIN). Its control channels: 774.29375, 774.54375, 774.79375 MHz.

Simpson County trunked talkgroups

Mississippi Wireless Information Network (MSWIN)

AgencyDescriptionTalkgroupHexMode
Simpson County SheriffSimpson County Sheriff – Dispatch47575b9d7T
Simpson County SheriffSheriff Operations47577b9d9T
Simpson County SheriffCountywide Law Common47579b9dbT

Radio system sites in Simpson County

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

Harrisville · Mississippi Wireless Information Network (MSWIN)
RFSS 2 · Site 4 (hex 4) · NAC 2A3
Control 774.29375, 774.54375, 774.79375
Voice 772.10625, 772.40625, 774.04375
Mendenhall · Mississippi Wireless Information Network (MSWIN)
RFSS 2 · Site 5 (hex 5)
Control 773.33125, 773.58125, 773.83125
Voice 771.60625, 773.08125
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 Simpson County

Common questions

Are Simpson County police talkgroups encrypted?

None of the 3 talkgroups listed for Simpson County are marked encrypted.