About Columbia County Police Frequencies
- 2 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: CRESA 911: 2 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 Columbia County, start with the Rainier Hill site of CRESA 911. Its control channels: 852.825, 853.375, 853.9375 MHz.
Columbia County conventional frequencies
Dispatch
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Columbia County Sheriff | Columbia County Sheriff – Dispatch | 155.1450 In 155.9550 | 67.0 PL | FMN | KNAA551 |
Tactical
| Agency | Description | Frequency (MHz) | Tone | Mode | FCC |
|---|---|---|---|---|---|
| Columbia County Sheriff | Columbia County Sheriff – Tactical Channel | 155.9400 | 67.0 PL | FMN | KNHB574 |
Columbia County trunked talkgroups
CRESA 911
| Agency | Description | Talkgroup | Hex | Mode |
|---|---|---|---|---|
| Washington State Patrol | Vancouver Area | 59510 | e876 | D |
| Washington State Patrol | D5 Car-to-Car | 59501 | e86d | D |
Radio system sites in Columbia County
Program the control channel first; your scanner finds the voice channels from it.
Rainier Hill · CRESA 911
RFSS 1 · Site 3 (hex 3) · NAC 863
Control 852.825, 853.375, 853.9375
Voice 851.2125, 851.925
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 Columbia County
Common questions
What frequency do the police use in Columbia County?
Dispatch channels listed for Columbia County: Columbia County Sheriff 155.1450 MHz (67.0 PL).
Are Columbia County police talkgroups encrypted?
None of the 2 talkgroups listed for Columbia County are marked encrypted.