The Federal Communications Commission (FCC) has granted a total of 9 licenses and call signs in the category of Amateur license in O'fallon, Illinois. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| KB9PHZ | WILLMONT, JOSHUA M | 2017-01-05 |
| KC9KPL | Kovell, Brandon R | 2017-03-16 |
| KD8USR | MULLIS, TIMOTHY D | 2023-03-16 |
| KM4AST | Broncy, Robert S | 2014-04-30 |
| N0CUP | WIZEMAN, HENRY J | 2007-03-01 |
| N6CTI | BREGER, ADLAI O | 2016-06-01 |
| N9NFJ | GODDARD, MARSHA G | 2012-02-14 |
| WA5IKB | FORMAN, REX | 2007-04-17 |
| WL7LH | DE TRAFFORD, RICHARD J | 2013-12-31 |
