| Call | Name | City | State | Class | Old Call | Effective Date | Expiration Date | Status |
|---|
| K1JNT | Doktor, Boleslaw | Warren | MA | A | | 11/29/2005 | 02/21/2016 | Expired |
| K1QVR | Quaboag Valley Amateur Radio Club | Warren | MA | | KB1LHM | 03/25/2014 | 06/11/2024 | Active |
| K1UJT | ANTONOVITCH, JOHN | WARREN | MA | A | | 11/05/1996 | 11/05/2006 | Expired |
| KB1BKK | STILES, JEROME B | WARREN | MA | E | | 06/01/2004 | 08/22/2014 | Expired |
| KB1ETM | Central MA Public Safety Assn Inc | Warren | MA | | | 01/04/2010 | 01/15/2020 | Expired |
| KB1HLZ | Greenwood, Sheree L | Warren | MA | E | | 11/20/2001 | 11/20/2011 | Cancelled |
| KB1HRM | Gancorz, David A | WARREN | MA | T | | 12/13/2021 | 01/03/2032 | Active |
| KB1HXO | Rozzen, Ken M | WARREN | MA | E | | 12/09/2021 | 03/08/2032 | Active |
| KB1JID | Watson, Robert E | Warren | MA | T | | 12/16/2022 | 01/28/2033 | Active |
| KB1LHM | Quaboag Valley Amateur Radio Club | Warren | MA | | | 05/10/2004 | 05/10/2014 | Cancelled |
| KB1RWX | Carlson, Rodney S | Warren | MA | G | | 03/06/2009 | 03/06/2019 | Expired |
| KB1RXE | Ferris, Jason P | Warren | MA | T | | 05/12/2020 | 05/12/2030 | Active |
| KC1LNL | Clowes, Dennis H | Warren | MA | G | | 06/04/2019 | 06/04/2029 | Active |
| KC1QBF | WILEY, KENNETH | Warren | MA | T | | 11/10/2021 | 11/10/2031 | Active |
| KC1RDH | Rozzen, Deb A | Warren | MA | T | | 04/18/2022 | 04/18/2032 | Active |
| KC1RYX | Blackwell, Seth H | Warren | MA | T | | 10/20/2022 | 10/20/2032 | Active |
| KC1RYY | Blackwell, Katherine E | Warren | MA | T | | 10/20/2022 | 10/20/2032 | Active |
| KV1Z | GARR, STEPHEN F | WARREN | MA | E | KB1KT | 05/24/1994 | 05/24/2004 | Cancelled |
| N1GPL | TATRO, KENNETH H | WARREN | MA | A | KA1TNM | 03/18/2003 | 04/27/2013 | Expired |
| N1JQE | TATRO, LINDA P | WARREN | MA | T | | 03/18/2003 | 04/27/2013 | Expired |
| N1PSE | BARIL, MICHAEL J | WARREN | MA | T | KB1HKK | 05/19/2022 | 04/19/2032 | Active |
| N1XOP | SWEET, MARK A | WARREN | MA | T | | 06/17/2016 | 06/19/2026 | Active |
| W1PAX | Central MA Public Safety Assn Inc | Warren | MA | | KB1IVI | 11/07/2012 | 11/13/2022 | Active |
| WA1SG | GARR, STEPHEN F | WARREN | MA | E | WJ1SG | 08/17/2004 | 08/17/2014 | Cancelled |
| WB1BPM | Rosati, David E | Warren | MA | G | | 04/22/2021 | 07/02/2031 | Active |
| WJ1SG | GARR, STEPHEN F | WARREN | MA | E | KV1Z | 09/26/2000 | 09/26/2010 | Cancelled |
| WZ1Y | GARR, STEPHEN F | WARREN | MA | E | WA1SG | 01/28/2014 | 01/28/2024 | Cancelled |
