There are 13 deleted countries on 20 meters band
| Number |
Prefix |
Country |
Continent |
Callsign |
| 1 |
8Z4 |
Saudi Arabia/Iraq NZ |
AS |
HZ1BS/8Z4 |
| 2 |
A1 |
Abu Ail & Jabal at Tair |
AS |
J20/Z |
| 3 |
DM |
German Dem. Rep. |
EU |
Y57WG |
| 4 |
HK0/S |
Serrana Bank |
NA |
HK0AA |
| 5 |
KH5K |
Kingman Reef |
OC |
WA2FIJ/KH5K |
| 6 |
KZ5 |
Canal Zone |
NA |
KZ5RO |
| 7 |
OK/D |
Czechoslovakia |
EU |
OK2BSA |
| 8 |
PJ2/D |
Netherland Antilles |
SA |
PJ2/K1RM |
| 9 |
PJ7/D |
Saint Maarten & Saba |
NA |
K1CO/PJ7 |
| 10 |
R1M |
Malyj Vysotskij Island |
EU |
4J1FS |
| 11 |
ST0/D |
Southern Sudan |
AF |
PA3CXC/ST0 |
| 12 |
ZS0 |
Penguin Islands |
AF |
ZS9Z/1 |
| 13 |
ZS9 |
Walvis Bay |
AF |
ZS3LK/3 |