World Sea Ports
| Port Name | Port Code | Country Name |
|---|---|---|
| Alta Loma | USTAJ | United States of America (the) |
| Altamira | BRATM | Brazil |
| Altamira | MXATM | Mexico |
| Altena | DEALT | Germany |
| Altenbruch Reede | DEANR | Germany |
| Altengörs | DESH4 | Germany |
| Altenlingen | DEATL | Germany |
| Altenwerder | DEHHV | Germany |
| Altenwörth | ATAWH | Austria |
| Althorpe | GBALP | United Kingdom |