| CODE (alphabetical) | ISLAND | CODE (S-N latitudinal) | ISLAND |
| AL | ALAID | PO | POLONSKOGO |
| AN | ANTSIFEROVA | ZE | ZELIONYI |
| AU | ANUCHINA | TA | TANFILEVA |
| BC | BRAT CHIRPOEV | KG | KAIGARA |
| BR | BROUTONA | IU | IURII |
| CH | CHIRPOI | AU | ANUCHINA |
| CR | CHIRINKOTAN | SH | SHIKOTAN |
| EK | EKARMA | KU | KUNASHIR |
| IT | ITURUP | IT | ITURUP |
| IU | IURII | UR | URUP |
| KA | KAIGARA | BC | BRAT CHIRPOEV |
| KE | KETOI | CH | CHIRPOI |
| KH | KHARIMKOTAN | BR | BROUTONA |
| KU | KUNASHIR | SI | SIMUSHIR |
| LV | LOVUSHKI | KE | KETOI |
| MA | MATUA | US | USHISHIR |
| MK | MAKANRUSHI | RY | RYPONKICHA |
| ON | ONEKOTAN | RAS | RASSHUA |
| PA | PARAMUSHIR | MA | MATUA |
| PO | POLONSKOGO | RK | RAIKOKE |
| RAS | RASSHUA | LV | LOVUSHKI |
| RK | RAIKOKE | SA | SHIASHKOTAN |
| RY | RYPONKICHA | CR | CHIRINKOTAN |
| SA | SHIASHKOTAN | EK | EKARMA |
| SH | SHIKOTAN | KH | KHARIMKOTAN |
| SI | SIMUSHIR | ON | ONEKOTAN |
| SU | SHUMSHU | MK | MAKANRUSHI |
| TA | TANFILEVA | AN | ANTSIFEROVA |
| UR | URUP | PA | PARAMUSHIR |
| US | USHISHIR | SU | SHUMSHU |
| ZE | ZELIONYI | AL | ALAID |
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