Skip to content

Northumberland County Police Frequencies

Northumberland County in Pennsylvania has 1 countywide conventional frequency and 17 countywide talkgroups in our database. Use the list of 47 cities and communities below for local police departments.

About Northumberland County Police Frequencies

  • 1 conventional channel is analog FM, so any scanner can receive it. Enter the frequency and set the tone shown in the table.
  • Trunked radio systems that carry law-enforcement traffic here: Northumberland County: 17 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 Northumberland County, start with the Simulcast site of Northumberland County. Its control channels: 161.8, 161.8375, 161.875 MHz.
  • 17 listed entries are marked encrypted. No scanner can decode encrypted audio.

Northumberland County conventional frequencies

Tactical

AgencyDescriptionFrequency (MHz)ToneModeFCC
Ralpho TownshipRalpho Township – Tactical Channel154.7250FMN—

Northumberland County trunked talkgroups

Northumberland County

17 encrypted talkgroups (cannot be monitored)
AgencyDescriptionTalkgroupHexMode
Northumberland County SheriffPolice Primary100012711T
Northumberland County SheriffCounty Sheriff – Dispatch101022776T
Northumberland County SheriffPolice Secure100042714T
Northumberland County SheriffPolice Operations10011271bT
Northumberland County SheriffPolice Operations10012271cT
Northumberland County SheriffPolice Operations10013271dT
Northumberland County SheriffPolice Operations10014271eT
Northumberland County SheriffNorthumberland County Sheriff – Tactical Channel10015271fT
Northumberland County SheriffNorthumberland County Sheriff – Tactical Channel100162720T
Northumberland County SheriffNorthumberland County Sheriff – Tactical Channel100172721T
Northumberland County SheriffPolice Air Operations10031272fT
Northumberland County SheriffSheriff Operations101042778T
Northumberland County SheriffPolice Info100022712T
Northumberland County SheriffPolice Emergency100032713T
Northumberland County SheriffPolice Department Radio to Radio100322730T
Northumberland County SheriffCounty Jail101012775T
Northumberland County SheriffCounty Prison101032777T

Radio system sites in Northumberland County

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

Simulcast · Northumberland County
RFSS 1 · Site 1 (hex 1) · NAC 681
Control 161.8, 161.8375, 161.875, 161.9125
Voice 161.95, 162
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 Northumberland County

Common questions

Are Northumberland County police talkgroups encrypted?

17 of the 17 talkgroups listed for Northumberland County are marked fully or partly encrypted; a scanner cannot decode encrypted audio.