| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|---|---|---|---|---|---|---|---|
| K3DVF | Delaware Valley Friends Ham Radio Club | Wilmington | DE | KC3MFM | 11/14/2018 | 11/14/2028 | Active | |
| K3ES | Garfinkel, Mark W | Wilmington | DE | E | KC3KFA | 09/14/2018 | 09/14/2028 | Cancelled |
| K3PEH | Hennessy, Patrick E | Wilmington | DE | T | KB3UWZ | 02/08/2022 | 02/08/2032 | Active |
| KB3GVV | Houff, Kameron J | Wilmington | DE | E | 08/24/2021 | 08/24/2031 | Active | |
| KB3IUM | Joynes, Timothy N | WILMINGTON | DE | T | 12/23/2022 | 12/23/2032 | Active | |
| KC3KFA | Garfinkel, Mark W | Wilmington | DE | E | 11/09/2017 | 11/09/2027 | Cancelled | |
| KC3LOJ | RAMPINO, GIANCARLO | WILMINGTON | DE | E | 06/01/2018 | 06/01/2028 | Active | |
| KC3MFM | Delaware Valley Friends Ham Radio Club | Wilmington | DE | 10/18/2018 | 10/18/2028 | Cancelled | ||
| KE3BY | SAUNDERS, WILLIAM W | WILMINGTON | DE | A | N3GEK | 04/09/2002 | 03/31/2012 | Expired |
| KY3G | ATHEY, MICHAEL K | WILMINGTON | DE | E | KC3SG | 06/20/1989 | 06/20/1999 | Expired |
| N3AYE | Moncaleri, Ruth E | WILMINGTON | DE | G | 01/19/2016 | 03/05/2025 | Active | |
| N3EYW | JAMES, LEMUEL R | WILMINGTON | DE | A | 08/26/2008 | 08/25/2018 | Expired | |
| N3JJB | Lisansky, Terry J | Wilmington | DE | E | 04/12/2022 | 06/29/2032 | Active | |
| N3MKU | LEACH, LOREN E | Wilmington | DE | T | 11/27/2012 | 11/27/2022 | Active | |
| N3OMQ | Street, Scott S | Wilmington | DE | G | 02/13/2013 | 03/16/2023 | Active | |
| N3TWE | Hoffer, Gary G | Wilmington | DE | G | 01/27/2006 | 01/27/2016 | Expired | |
| N3UU | Garfinkel, Mark W | Wilmington | DE | E | K3ES | 11/24/2018 | 11/24/2028 | Active |
| N3WKU | Caruso, Nicholas D | Wilmington | DE | T | 08/31/2015 | 11/27/2025 | Active | |
| N3YCG | BURTON, RICHARD L | WILMINGTON | DE | E | 08/16/2016 | 09/26/2026 | Active | |
| N3YDA | HENDERSHOT, KARISSA D | WILMINGTON | DE | T | 08/31/2016 | 10/07/2026 | Active | |
| NW3P | HORN JR, ALFRED K | WILMINGTON | DE | E | 05/13/2019 | 07/06/2029 | Active | |
| W3AUS | FURMAN, GERALD J | Wilmington | DE | A | W3MSG | 04/06/2013 | 06/25/2023 | Active |