District 4
1x3 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| N4MAR | 10 | 47 | 2034-08-09 | — | Active (Vanity) |
| N4MAS | 10 | 45 | 2035-03-13 | — | Active |
| N4MAT | 9 | 43 | 2026-07-03 | — | Active |
| N4MAU | 10 | 47 | 2011-05-14 | 2013-05-15 | Available |
| N4MAV | 9 | 49 | 2026-04-26 | — | Active (Vanity) |
| N4MAW | 9 | 49 | 2024-04-19 | 2026-04-20 | Available |
| N4MAX | 9 | 51 | 2030-06-29 | — | Active (Vanity) |
| N4MAY | 9 | 53 | 2028-03-13 | — | Active (Vanity) |
| N4MAZ | 9 | 51 | 2030-09-01 | — | Active (Vanity) |
| N4MBA | 9 | 49 | 2036-07-07 | — | Active (Vanity) |
| N4MBB | 9 | 53 | 2026-03-01 | — | Active |
| N4MBC | 9 | 55 | 2004-03-15 | 2006-03-16 | Available |
| N4MBD | 9 | 51 | 2005-05-11 | 2007-05-12 | Available |
| N4MBE | 9 | 45 | 2009-12-01 | 2011-12-02 | Available |
| N4MBF | 9 | 53 | 2035-01-31 | — | Active |
| N4MBG | 8 | 53 | — | — | Available |
| N4MBH | 9 | 51 | 2020-05-29 | 2022-05-30 | Available |
| N4MBI | 10 | 47 | 2036-04-04 | — | Active |
| N4MBJ | 10 | 57 | 2012-04-29 | 2014-04-30 | Available |
| N4MBK | 9 | 53 | 2025-03-15 | — | Active |
| N4MBL | 9 | 53 | 2004-10-26 | 2006-10-27 | Available |
| N4MBM | 8 | 51 | 2006-02-21 | 2008-02-22 | Available |
| N4MBN | 10 | 49 | 2035-02-03 | — | Active |
| N4MBO | 9 | 55 | 2000-08-14 | 2002-08-15 | Available |
| N4MBP | 9 | 55 | 2032-04-29 | — | Active (Vanity) |
| N4MBQ | 9 | 57 | 2025-12-04 | — | Active |
| N4MBR | 10 | 51 | — | — | Available |
| N4MBS | 10 | 49 | 2033-09-26 | — | Active (Vanity) |
| N4MBT | 9 | 47 | — | — | Available |
| N4MBU | 10 | 51 | 2009-01-12 | 2011-01-13 | Available |
| N4MBV | 9 | 53 | 2005-03-22 | 2007-03-23 | Available |
| N4MBW | 9 | 53 | 2017-02-21 | 2019-02-22 | Available |
| N4MBX | 9 | 55 | 2025-03-15 | — | Active |
| N4MBY | 9 | 57 | — | — | Available |
| N4MBZ | 9 | 55 | 2034-05-29 | — | Active (Vanity) |
| N4MCA | 9 | 51 | 2034-06-18 | — | Active (Vanity) |
| N4MCB | 9 | 55 | 2035-05-03 | — | Active |
| N4MCC | 9 | 57 | 2028-02-27 | — | Active (Vanity) |
| N4MCD | 9 | 53 | 2030-09-19 | — | Active (Vanity) |
| N4MCE | 9 | 47 | 2031-12-24 | — | Active (Vanity) |
| N4MCF | 9 | 55 | 2032-01-08 | — | Active (Vanity) |
| N4MCG | 8 | 55 | 2024-11-14 | — | Active (Vanity) |
| N4MCH | 9 | 53 | 2028-03-06 | — | Active (Vanity) |
| N4MCI | 10 | 49 | 2008-01-26 | 2010-01-27 | Available |
| N4MCJ | 10 | 59 | — | — | Available |
| N4MCK | 9 | 55 | 2032-05-24 | — | Active (Vanity) |
| N4MCL | 9 | 55 | 2034-11-30 | — | Active (Vanity) |
| N4MCM | 8 | 53 | 2015-03-14 | 2017-03-15 | Available |
| N4MCN | 10 | 51 | 2035-04-19 | — | Active |
| N4MCO | 9 | 57 | 2036-07-01 | — | Active (Vanity) |
| N4MCP | 9 | 57 | 2033-12-01 | — | Active (Vanity) |
| N4MCQ | 9 | 59 | 2028-05-20 | — | Active |
| N4MCR | 10 | 53 | 2035-04-27 | — | Active |
| N4MCS | 10 | 51 | 2029-09-29 | — | Active (Vanity) |
| N4MCT | 9 | 49 | 2030-02-23 | — | Active (Vanity) |
| N4MCU | 10 | 53 | 2015-03-16 | 2017-03-17 | Available |
| N4MCV | 9 | 55 | 2034-05-07 | — | Active (Vanity) |
| N4MCW | 9 | 55 | 2013-04-13 | 2015-04-14 | Available |
| N4MCX | 9 | 57 | — | — | Available |
| N4MCY | 9 | 59 | 2036-02-24 | — | Active (Vanity) |
| N4MCZ | 9 | 57 | 2021-01-15 | 2023-01-16 | Available |
| N4MDA | 9 | 47 | 2026-02-07 | — | Active |
| N4MDB | 9 | 51 | 2029-01-03 | — | Active (Vanity) |
| N4MDC | 9 | 53 | 2029-10-18 | — | Active (Vanity) |
| N4MDD | 9 | 49 | 2031-02-03 | — | Active (Vanity) |
| N4MDE | 9 | 43 | 2030-12-24 | — | Active |
| N4MDF | 9 | 51 | 2030-08-24 | — | Active (Vanity) |
| N4MDG | 8 | 51 | 2034-11-02 | — | Active (Vanity) |
| N4MDH | 9 | 49 | 2035-03-27 | — | Active |
| N4MDI | 10 | 45 | 2034-10-14 | — | Active |
| N4MDJ | 10 | 55 | 2025-05-31 | — | Active |
| N4MDK | 9 | 51 | 2019-02-11 | 2021-02-12 | Available |
| N4MDL | 9 | 51 | 2032-05-10 | — | Active (Vanity) |
| N4MDM | 8 | 49 | 2029-03-24 | — | Active (Vanity) |
| N4MDN | 10 | 47 | — | — | Pending Application |
| N4MDO | 9 | 53 | 2025-05-21 | — | Active |
| N4MDP | 9 | 53 | 2028-05-01 | — | Active (Vanity) |
| N4MDQ | 9 | 55 | — | — | Available |
| N4MDR | 10 | 49 | 2030-07-31 | — | Active (Vanity) |
| N4MDS | 10 | 47 | 2034-04-13 | — | Active (Vanity) |
| N4MDT | 9 | 45 | 2029-01-18 | — | Active |
| N4MDU | 10 | 49 | 2032-01-28 | — | Active (Vanity) |
| N4MDV | 9 | 51 | 2034-03-21 | — | Active (Vanity) |
| N4MDW | 9 | 51 | 2032-12-24 | — | Active (Vanity) |
| N4MDX | 9 | 53 | 2029-03-28 | — | Active (Vanity) |
| N4MDY | 9 | 55 | 2021-10-18 | 2023-10-19 | Available |
| N4MDZ | 9 | 53 | 2034-02-09 | — | Active (Vanity) |
| N4MEA | 9 | 41 | 2025-06-28 | — | Active |
| N4MEB | 9 | 45 | 2027-10-17 | — | Active (Vanity) |
| N4MEC | 9 | 47 | 2029-03-11 | — | Active (Vanity) |
| N4MED | 9 | 43 | 2025-10-24 | — | Active |
| N4MEE | 9 | 37 | 2031-03-19 | — | Active |
| N4MEF | 9 | 45 | 2033-10-31 | — | Active (Vanity) |
| N4MEG | 8 | 45 | 2035-04-21 | — | Active (Vanity) |
| N4MEH | 9 | 43 | 2033-10-24 | — | Active (Vanity) |
| N4MEI | 10 | 39 | 2035-08-08 | — | Active |
| N4MEJ | 10 | 49 | 2018-02-20 | 2020-02-21 | Available |
| N4MEK | 9 | 45 | — | — | Available |
| N4MEL | 9 | 45 | 2026-02-28 | — | Active |
| N4MEM | 8 | 43 | 2035-07-14 | — | Active |