| Frequency | Company name | RS | City |
|---|
| 46.5800 | WASHINGTON CO. CIVIL DEFENSE | PL | HILLSBORO |
| 48.0600 | PORTLAND GENERAL ELECTRIC CO | UT | HILLSBORO |
| 48.4600 | PORTLAND GENERAL ELECTRIC CO | UT | HILLSBORO |
| 123.0500 | STARK'S TWIN OAKS AIRPORT | AF | HILLSBORO |
| 147.3400 | HILLSBORO, OREGON | AM | HILLSBORO |
| 151.0550 | WASHINGTON COUNTY ENGINEER | PL | HILLSBORO |
| 151.0550 | WASHINGTON COUNTY CONSOLIDAT | PL | HILLSBORO |
| 152.1500 | WESTLINK LICENSEE CORP. | CD | HILLSBORO |
| 152.1800 | MCCAW COMMUNICATIONS | CD | HILLSBORO |
| 152.2100 | MCCAW COMMUNICATIONS | CD | HILLSBORO |
| 152.2400 | WESTLINK LICENSEE CORP. | CD | HILLSBORO |
| 153.7100 | PORTLAND GENERAL ELECTRIC CO | UT | HILLSBORO |
| 154.7850 | HILLSBORO POLICE DEPARTMENT | PP | HILLSBORO |
| 155.0100 | HILLSBORO POLICE DEPARTMENT | PP | HILLSBORO |
| 155.3400 | TUALITY COMMUNITY HOSPITAL | PS | HILLSBORO |
| 155.4000 | TUALITY COMMUNITY HOSPITAL | PS | HILLSBORO |
| 155.5650 | HILLSBORO POLICE DEPARTMENT | PP | HILLSBORO |
| 155.5650 | WASHINGTON COUNTY SHERIFF | PP | HILLSBORO |
| 155.7750 | HILLSBORO PUBLIC WORKS DEPT. | PL | HILLSBORO |
| 155.8050 | WASHINGTON COUNTY, OREGON | PL | HILLSBORO |
| 155.8800 | HILLSBORO PUBLIC WORKS DEPT. | PL | HILLSBORO |
| 156.1200 | WASHINGTON COUNTY CONSOLIDAT | PL | HILLSBORO |
| 158.7000 | MCCAW COMMUNICATIONS | CD | HILLSBORO |
| 160.0500 | PORTLAND GENERAL ELECTRIC CO | UT | HILLSBORO |
| 160.2150 | WILLAMETTE & PACIFIC RR | LR | HILLSBORO |
| 160.3200 | SOUTHERN PACIFIC (ROAD) | LR | HILLSBORO |
| 160.7700 | WILLAMETTE & PACIFIC RR | LR | HILLSBORO |
| 160.7700 | PORTLAND & WESTERN RAILROAD | LR | HILLSBORO |
| 161.1000 | SOUTHERN PACIFIC | LR | HILLSBORO |
| 161.4000 | SOUTHERN PACIFIC | LR | HILLSBORO |
| 161.5500 | SOUTHERN PACIFIC (ROAD) | LR | HILLSBORO |
| 161.7000 | DOLPHIN COMMUNICATIONS, INC. | NM | HILLSBORO |
| 451.4500 | GTE NORTHWEST, INCORPORATED | UT | HILLSBORO |
| 453.1500 | WASHINGTON COUNTY, OREGON | PL | HILLSBORO |
| 453.2750 | WASHINGTON COUNTY, OREGON | PL | HILLSBORO |
| 455.0200 | DOLPHIN COMMUNICATIONS, INC. | NM | HILLSBORO |
| 460.1500 | WASHINGTON COUNTY SHERIFF | PP | HILLSBORO |
| 460.3750 | WASHINGTON CO. SHERIFF (MAIN | PP | HILLSBORO |
| 460.5000 | WASHINGTON COUNTY SHERIFF | PP | HILLSBORO |
| 460.5250 | WASHINGTON COUNTY SHERIFF | PP | HILLSBORO |
| 851.5875 | UNIFIED SEWERAGE AGENCY | PP | HILLSBORO |
| 851.6375 | WASHINGTON COUNTY SHERIFF | PP | HILLSBORO |
| 851.7125 | WASHINGTON COUNTY SHERIFF | PP | HILLSBORO |
| 851.7625 | WASHINGTON COUNTY SHERIFF | PP | HILLSBORO |
| 854.4375 | WASHINGTON COUNTY SHERIFF | PP | HILLSBORO |
| 855.8625 | WASHINGTON COUNTY SHERIFF | PP | HILLSBORO |
| 931.2125 | MCCAW COMMUNICATIONS | CD | HILLSBORO |
| 931.2625 | WESTLINK LICENSEE CORP. | CD | HILLSBORO |
| 931.4125 | PAGING NETWORK OF OREGON | CD | HILLSBORO |
| 931.4375 | SKYTEL CORPORATION | CD | HILLSBORO |
| 931.6125 | MCCAW COMMUNICATIONS | CD | HILLSBORO |