The Federal Communications Commission (FCC) has granted a total of 43 licenses and call signs in the category of Restricted Operator 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 |
|---|---|---|
| RR00001095 | TUCKER, PHILLIP C | 2001-06-22 |
| RR00009924 | NEMCIK, JOHN R | 2003-01-01 |
| RR00026236 | Tondini, Matthew D | 2005-03-01 |
| RR00030287 | Vrooman, Andora L | 2005-07-22 |
| RR00036165 | Young, Darren C | 2006-04-01 |
| RR00036568 | Wilson, Brian C | 2006-04-18 |
| RR00047293 | Shelpman Jr, John J | 2007-04-20 |
| RR00069899 | Bolster, Stephen G | 2010-03-02 |
| RR00074210 | DUNCAN, ROBERT D | 2010-10-20 |
| RR00075693 | Freese, Thomas A | 2011-01-19 |
| RR00077126 | Tallman, Aaron K | 2011-03-15 |
| RR00077731 | Booth, Stephen F | 2011-04-05 |
| RR00100293 | Montague, Erin J | 2014-02-05 |
| RR00101089 | FRICK, SCOTT A | 2014-03-08 |
| RR00102353 | Raaberg, Curtis E | 2014-04-25 |
| RR00104565 | Kirk, Jason A | 2014-07-16 |
| RR00110499 | Higer, Jesse W | 2015-03-17 |
| RR00111613 | VanHoose, Robert H | 2015-04-29 |
| RR00111956 | Tallman, Aaron K | 2015-05-13 |
| RR00112733 | Ericson, David A | 2015-06-13 |
| RR00116470 | Hobbs, Jon W | 2015-11-10 |
| RR00118102 | Robey, Christopher A | 2016-01-20 |
| RR00120119 | Schutt, Steven J | 2016-03-30 |
| RR00121051 | McClain, Derrick L | 2016-04-29 |
| RR00122232 | Browers, Michael E | 2016-06-09 |
| RR00125964 | Pelletier, Seth A | 2016-10-21 |
| RR00126524 | Gittner, Aaron W | 2016-11-15 |
| RR00127462 | Summers, Marc W | 2016-12-20 |
| RR00132760 | Ulrich, Geoffrey R | 2017-06-08 |
| RR00136774 | Chisholm, Brent W | 2017-10-17 |
| RR00140848 | Auville 671, Benjamin | 2018-02-21 |
| RR00144744 | Muench, Andrew J | 2018-06-09 |
| RR00146503 | Brown, Jason | 2018-08-03 |
| RR00156384 | Rickard, James A | 2019-05-17 |
| RR00165376 | Anderson, Jason A | 2020-01-25 |
| RR00167106 | Aughtman, Timothy W | 2020-03-06 |
| RR00168158 | Dealy, Michael E | 2020-05-02 |
| RR00178783 | Schwandner, Craig A | 2021-08-12 |
| RR00188682 | Middleton, Thad R | 2022-04-13 |
| RR00191433 | SHEA, PHILLIP A | 2022-06-08 |
| RR00193945 | Polins, Benjamin | 2022-07-29 |
| RR00197487 | Brandy, DeShaun L | 2022-10-12 |
| RR00204903 | Kaczmarek, Kenneth | 2023-03-14 |
