| Code | Name | Region |
|---|---|---|
| USTSA | Savannah | TN |
| USVEJ | Saverton | MO |
| USS6Y | Savery | WY |
| USSVA | Savoonga | AK |
| USSYG | Savoy | IL |
| US6SV | Savoy | MA |
| USOYT | Savoy | TX |
| USXYZ | Sawmills | NC |
| USA98 | Sarona | WI |
| USSL4 | Sartell | MN |
| USSJ9 | Sarver | PA |
| USSAQ | Sasabe | AZ |
| USSAH | Sasser | GA |
| USS9T | Satanta | KS |
| USLTB | Satellite Beach | FL |
| USSY5 | Saticoy | CA |
| USZOP | Satsop | WA |
| US2S2 | Satsuma | AL |
| USS2R | Saucier | MS |
| USSUV | Saugerties | NY |
| USSAU | Sauget | IL |
| USUGU | Saugus | CA |
| USUGX | Saugus | MA |
| USSC2 | Sauk Centre | MN |
| USSC3 | Sauk City | WI |
| USSRA | Sauk Rapids | MN |
| USSXL | Sauk Village | IL |
| USVVV | Saukville | WI |
| USS7P | Sapphire | NC |
| USAPU | Sapulpa | OK |
| USSFQ | Saraland | AL |
| USSRN | Saranac | MI |
| USSLK | Saranac Lake | NY |
| USZOR | Sarasota | FL |
| USXMQ | Saratoga | CA |
| USSRB | Saratoga | MN |
| USSAA | Saratoga | WY |
| USSGA | Saratoga Springs | NY |
| USS6T | Saratoga Springs | UT |
| USXX5 | Sarcoxie | MO |
| USAII | Sardinia | NY |
| USS2D | Sardinia | OH |
| USSSR | Sardis | MS |
| USAEP | Sarepta | LA |
| USWSF | Sarichef | AK |
| USS4Y | Sarita | TX |
| USSAO | Sarles | ND |
| USTQA | Santa Elena | TX |
| USSAF | Santa Fe | NM |
| USFEZ | Santa Fe | TX |