District 4
2x2 Callsigns (100)
| Callsign | Phonetic | Morse | End Date | Available Date | Status |
|---|---|---|---|---|---|
| NS4CA | 11 | 49 | — | — | Available |
| NS4CB | 11 | 53 | — | — | Available |
| NS4CC | 11 | 55 | 2025-05-22 | — | Active (Vanity) |
| NS4CD | 11 | 51 | — | — | Available |
| NS4CE | 11 | 45 | — | — | Available |
| NS4CF | 11 | 53 | — | — | Available |
| NS4CG | 10 | 53 | 2007-10-10 | 2009-10-11 | Available |
| NS4CH | 11 | 51 | — | — | Available |
| NS4CI | 12 | 47 | — | — | Available |
| NS4CJ | 12 | 57 | — | — | Available |
| NS4CK | 11 | 53 | — | — | Available |
| NS4CL | 11 | 53 | — | — | Available |
| NS4CM | 10 | 51 | 2027-11-20 | — | Active (Vanity) |
| NS4CN | 12 | 49 | — | — | Available |
| NS4CO | 11 | 55 | — | — | Available |
| NS4CP | 11 | 55 | — | — | Available |
| NS4CQ | 11 | 57 | — | — | Available |
| NS4CR | 12 | 51 | — | — | Available |
| NS4CS | 12 | 49 | — | — | Available |
| NS4CT | 11 | 47 | — | — | Available |
| NS4CU | 12 | 51 | — | — | Available |
| NS4CV | 11 | 53 | — | — | Available |
| NS4CW | 11 | 53 | — | — | Available |
| NS4CX | 11 | 55 | — | — | Available |
| NS4CY | 11 | 57 | — | — | Available |
| NS4CZ | 11 | 55 | — | — | Available |
| NS4DA | 11 | 45 | — | — | Available |
| NS4DB | 11 | 49 | — | — | Available |
| NS4DC | 11 | 51 | — | — | Available |
| NS4DD | 11 | 47 | — | — | Available |
| NS4DE | 11 | 41 | — | — | Available |
| NS4DF | 11 | 49 | — | — | Available |
| NS4DG | 10 | 49 | — | — | Available |
| NS4DH | 11 | 47 | — | — | Available |
| NS4DI | 12 | 43 | — | — | Available |
| NS4DJ | 12 | 53 | — | — | Available |
| NS4DK | 11 | 49 | — | — | Available |
| NS4DL | 11 | 49 | — | — | Available |
| NS4DM | 10 | 47 | — | — | Available |
| NS4DN | 12 | 45 | — | — | Available |
| NS4DO | 11 | 51 | — | — | Available |
| NS4DP | 11 | 51 | — | — | Available |
| NS4DQ | 11 | 53 | 2036-06-21 | — | Active (Vanity) |
| NS4DR | 12 | 47 | — | — | Available |
| NS4DS | 12 | 45 | — | — | Available |
| NS4DT | 11 | 43 | — | — | Available |
| NS4DU | 12 | 47 | — | — | Available |
| NS4DV | 11 | 49 | — | — | Available |
| NS4DW | 11 | 49 | — | — | Available |
| NS4DX | 11 | 51 | 2026-11-04 | — | Active (Vanity) |
| NS4DY | 11 | 53 | — | — | Available |
| NS4DZ | 11 | 51 | — | — | Available |
| NS4EA | 11 | 39 | — | — | Available |
| NS4EB | 11 | 43 | — | — | Available |
| NS4EC | 11 | 45 | — | — | Available |
| NS4ED | 11 | 41 | — | — | Available |
| NS4EE | 11 | 35 | — | — | Available |
| NS4EF | 11 | 43 | — | — | Available |
| NS4EG | 10 | 43 | — | — | Available |
| NS4EH | 11 | 41 | — | — | Available |
| NS4EI | 12 | 37 | — | — | Available |
| NS4EJ | 12 | 47 | — | — | Available |
| NS4EK | 11 | 43 | — | — | Available |
| NS4EL | 11 | 43 | — | — | Available |
| NS4EM | 10 | 41 | — | — | Available |
| NS4EN | 12 | 39 | — | — | Available |
| NS4EO | 11 | 45 | — | — | Available |
| NS4EP | 11 | 45 | — | — | Available |
| NS4EQ | 11 | 47 | — | — | Available |
| NS4ER | 12 | 41 | — | — | Available |
| NS4ES | 12 | 39 | — | — | Available |
| NS4ET | 11 | 37 | — | — | Available |
| NS4EU | 12 | 41 | — | — | Available |
| NS4EV | 11 | 43 | — | — | Available |
| NS4EW | 11 | 43 | — | — | Available |
| NS4EX | 11 | 45 | — | — | Available |
| NS4EY | 11 | 47 | — | — | Available |
| NS4EZ | 11 | 45 | — | — | Available |
| NS4FA | 11 | 47 | — | — | Available |
| NS4FB | 11 | 51 | — | — | Available |
| NS4FC | 11 | 53 | — | — | Available |
| NS4FD | 11 | 49 | — | — | Available |
| NS4FE | 11 | 43 | — | — | Available |
| NS4FF | 11 | 51 | — | — | Available |
| NS4FG | 10 | 51 | — | — | Available |
| NS4FH | 11 | 49 | — | — | Available |
| NS4FI | 12 | 45 | — | — | Available |
| NS4FJ | 12 | 55 | — | — | Available |
| NS4FK | 11 | 51 | — | — | Available |
| NS4FL | 11 | 51 | — | — | Available |
| NS4FM | 10 | 49 | — | — | Available |
| NS4FN | 12 | 47 | — | — | Available |
| NS4FO | 11 | 53 | — | — | Available |
| NS4FP | 11 | 53 | — | — | Available |
| NS4FQ | 11 | 55 | — | — | Available |
| NS4FR | 12 | 49 | — | — | Available |
| NS4FS | 12 | 47 | — | — | Available |
| NS4FT | 11 | 45 | — | — | Available |
| NS4FU | 12 | 49 | — | — | Available |
| NS4FV | 11 | 51 | — | — | Available |