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Marblemount Police Frequencies

We do not have frequencies listed specifically for Marblemount in Skagit County, Washington yet. Countywide channels for Skagit County that may also cover this area are shown below when we have them. The closest trunked radio site we have is Darrington (Sno911), about 21 miles away.

About Marblemount Police Frequencies

  • 6 conventional channels are analog FM, so any scanner can receive them. Enter the frequency and set the tone shown in the table.
  • 1 conventional channel uses a digital mode (P25), which needs a scanner that decodes that mode.
  • 1 listed entry is marked encrypted. No scanner can decode encrypted audio.

Skagit County channels that also cover Marblemount

Dispatch

AgencyDescriptionFrequency (MHz)ToneModeFCC
North & South Skagit Tribal ReservationsTribal Police / BIA Dispatch166.6375FMN—
Skagit County SheriffDispatch Simulcast155.8425FMNWQGU648
Skagit County SheriffSkagit County Sheriff – Dispatch453.4000
In 458.4000
107.2 PLFMNKNAE847
Skagit County SheriffSkagit County Sheriff – Dispatch453.4000NAC 151P25 KNAE847

Tactical

AgencyDescriptionFrequency (MHz)ToneModeFCC
Skagit County SheriffSkagit County Sheriff – Tactical Channel460.1375FMNWQGN329

Talk-around & Car-to-Car

AgencyDescriptionFrequency (MHz)ToneModeFCC
Skagit County SheriffSkagit County Sheriff – Surveillance453.3625FMNWNWV420

Jails & Corrections

AgencyDescriptionFrequency (MHz)ToneModeFCC
Skagit County SheriffCounty Jail453.9750FMNKNGU724

Nearest trunked radio sites

Distances are measured from the center of Marblemount.

Darrington · Sno911
RFSS 1 · Site 11 (hex B) · NAC 3AB · about 21 mi away
Control 854.7375
Voice 852.775, 852.9875, 853.6625, 854.1125, 854.2625
South Simulcast · Sno911
RFSS 1 · Site 7 (hex 7) · NAC 3A7 · about 38 mi away
Control 853.85, 854.0125, 854.2125, 854.5625
Voice 851.1125, 851.7375, 852.9375, 853.3, 853.725
North Simulcast · Sno911
RFSS 1 · Site 8 (hex 8) · NAC 3A8 · about 38 mi away
Control 853.5875, 853.6125, 853.75, 853.925
Voice 852.675, 852.9125, 852.9625, 853.3625, 853.3875
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.

Common questions

What frequency do the police use in Marblemount?

We do not have a dispatch channel listed specifically for Marblemount. County-level dispatch channels in the same county: Skagit County Sheriff 155.8425 MHz; Skagit County Sheriff 453.4000 MHz (107.2 PL); Skagit County Sheriff 453.4000 MHz (NAC 151).