| Flag | Code | Country | Time Difference (GMT) | Group | Comment | Internet Code |
 | 800 | Freephone | | GLOBAL | International Freephone Service | |
| 808 | ISCS | | GLOBAL | International Shared Cost Service - Reserved Code | |
 | 81 | JAPAN | 9 | | | jp |
 | 82 | KOREA (Republic of) | 9 | | | kr |
| 82 | KOREA SOUTH | 9 | | also known as Korea (Republic of) | kr |
 | 84 | VIET NAM (Socialist Republic of) | 7 | | | vn |
 | 850 | KOREA NORTH | 9 | | | kp |
| 850 | Democratic Peoples Republic of KOREA | 9 | | | kp |
 | 852 | HONG KONG | 8 | | | hk |
 | 853 | MACAU | 8 | | | mo |
 | 855 | CAMBODIA (Kingdom of) | 7 | | | kh |
 | 856 | Lao Peoples Democratic Republic | 7 | | | la |
| 856 | LAOS | 7 | | | la |
 | 86 | CHINA (Peoples Republic of) | 8 | | | cn |
| 870 | INMARSAT SNAC | | INMARSAT, GLOBAL | | |
| 871 | ATLANTIC OCEAN (EAST) | | INMARSAT | | |
| 872 | PACIFIC OCEAN | | INMARSAT | | |
| 873 | INDIAN OCEAN | | INMARSAT | | |
| 874 | ATLANTIC OCEAN (WEST) | | INMARSAT | | |
| 875 | MOBIQ (MARITIME MOBILE SERVICE) | | GLOBAL | | |
| 876 | Maritime Mobile Service Applications | | GLOBAL | Reserved Code | |
| 877 | Maritime Mobile Service Applications | | GLOBAL | Reserved Code | |
| 878 | UPT | | GLOBAL | Universal Personal Telecommunication Service - Reserved code | |
| 87810 | VISIONng | | GLOBAL | | |
 | 879 | National non-commercial | | GLOBAL | Reserved Code | |
 | 880 | BANGLADESH (Peoples Republic of) | 6 | BCW | | bd |
| 881 | GMSS | | GLOBAL | Global Mobile Satellite System | |
| 8813 | Ellipso | | GLOBAL | | |
| 8816 | GMSS Iridium | | GLOBAL | | |
| 8817 | GMSS Iridium | | GLOBAL | | |
| 8818 | Globalstar Inc | | GLOBAL | | |
| 8819 | Globalstar Inc | | GLOBAL | | |
| 882 | International Networks | | GLOBAL | | |
| 88213 | Telespazio S.p.A. | | GLOBAL | | |
| 88216 | Thuraya | | GLOBAL | | |
| 88233 | Oration Technologies | | GLOBAL | | |
| 88234 | Gobal Networks Switzerland | | GLOBAL | | |
| 8835100 | Voxbone SA | | GLOBAL | | |
 | 886 | TAIWAN | 8 | | was Formosa | tw |