Search 70 call signs in zip code 21704 of Maryland.
| Name | Address, Zip | FCC Grant Date |
|---|---|---|
| 530DC | Frederick, MD | 2019-02-27 |
| AA3SR | Frederick, MD | 2022-04-05 |
| AE3T | Frederick, MD | 2016-11-15 |
| K0KOC | Frederick, MD | 2018-05-11 |
| KA8NGZ | Frederick, MD | 2004-03-10 |
| KB3KYS | Frederick, MD | 2004-03-29 |
| KB3MBA | FREDERICK, MD | 2014-12-31 |
| KB3TCC | Frederick, MD | 2019-10-03 |
| KB9QFQ | Frederick, MD | 2017-11-30 |
| KC3BCD | Frederick, MD | 2013-08-13 |
| KC3BT | FREDERICK, MD | 2016-12-07 |
| KC3CHP | FREDERICK, MD | 2014-03-18 |
| KC3DBU | FREDERICK, MD | 2014-06-23 |
| KC3DPA | FREDERICK, MD | 2014-10-06 |
| KC3DYJ | FREDERICK, MD | 2014-11-26 |
| KC3HPF | Frederick, MD | 2016-08-23 |
| KC3IKH | Frederick, MD | 2017-01-19 |
| KC3ILV | Frederick, MD | 2017-01-25 |
| KC3KUH | Frederick, MD | 2017-02-10 |
| KC3SAG | FREDERICK, MD | 2021-05-03 |
| KC3UUY | Frederick, MD | 2022-09-20 |
| KC3VVT | Frederick, MD | 2023-04-04 |
| KD6ABI | Urbana, MD | 2023-04-12 |
| KD9LST | Fredrick, MD | 2018-09-20 |
| KE3YP | FREDERICK, MD | 2017-07-18 |
| KE7SFK | Frederick, MD | 2018-02-27 |
| KN4ELI | Frederick, MD | 2017-07-10 |
| N0RYP | Frederick, MD | 2020-05-22 |
| N1EPT | Urbana, MD | 2008-01-08 |
| N3BGL | FREDERICK, MD | 2016-01-05 |
| N3JLT | FREDERICK, MD | 2020-04-09 |
| N3NYU | Frederick, MD | 2014-12-18 |
| N3TWV | FREDERICK, MD | 2015-03-10 |
| N4XHC | FREDERICK, MD | 2020-05-29 |
| RL00008562 | Frederick, MD | 2012-08-21 |
| RR00000762 | FREDERICK, MD | 2001-06-09 |
| RR00044361 | Frederick, MD | 2007-01-30 |
| RR00074535 | Frederick, MD | 2010-11-05 |
| RR00074542 | Frederick, MD | 2010-11-06 |
| RR00090616 | Frederick, MD | 2012-11-27 |
| RR00105960 | Frederick, MD | 2014-09-04 |
| RR00204510 | Frederick, MD | 2023-03-07 |
| W3AG | Frederick, MD | 2016-08-12 |
| W3TTE | Frederick, MD | 2023-04-22 |
| W4BFX | Frederick, MD | 2020-09-29 |
| WA3WBN | Frederick, MD | 2013-12-07 |
| WDF8850 | Frederick, MD | 2021-07-08 |
| WDL8956 | Frederick, MD | 2020-12-18 |
| WP4KKX | Frederick, MD | 2011-06-14 |
| WQQI387 | Hagerstown, MD | 2012-12-21 |
| WQUQ901 | Frederick, MD | 2014-09-16 |
| WQXJ925 | Frederick, MD | 2016-03-29 |
| WQZD247 | Frederick, MD | 2017-04-11 |
| WRCK512 | Frederick, MD | 2018-10-25 |
| WRCU347 | Frederick, MD | 2019-02-01 |
| WREC224 | Frederick, MD | 2019-09-17 |
| WRJV282 | Frederick, MD | 2020-11-03 |
| WRKB514 | Frederick, MD | 2020-12-05 |
| WRKZ892 | Frederick, MD | 2021-03-10 |
| WRMA368 | Frederick, MD | 2021-03-12 |
| WROX504 | Frederick, MD | 2021-12-28 |
| WROX505 | Frederick, MD | 2021-12-28 |
| WRPM803 | Frederick, MD | 2022-02-25 |
| WRQX516 | Frederick, MD | 2022-05-18 |
| WRQX517 | Frederick, MD | 2022-05-18 |
| WRQX812 | Frederick, MD | 2022-05-19 |
| WRQX813 | Frederick, MD | 2022-05-19 |
| WRVR784 | Frederick, MD | 2022-12-28 |
| WRXB244 | Frederick, MD | 2023-04-21 |
| WY3TI | Frederick, MD | 2023-02-22 |
