| Code | Name | Region |
|---|---|---|
| USS8F | Strafford | PA |
| USS7D | Strafford | VT |
| USSNB | Strang | TX |
| USSBG | Strasburg | OH |
| USQQZ | Strasburg | PA |
| USSRS | Strasburg | VA |
| US9SF | Stratford | CA |
| USJSD | Stratford | CT |
| USSDZ | Stratford | NJ |
| USUP5 | Stoney Fork | KY |
| USSGN | Stonington | CT |
| USSN6 | Stonington | IL |
| USSG4 | Stonington | ME |
| USZTY | Stony Brook | NY |
| USS5C | Stony Creek | VA |
| USYOT | Stony Point | NC |
| USS8T | Stony Point | NY |
| USNYI | Stony Point, Rockland | NY |
| USDQE | Stony Ridge | OH |
| USSRV | Stony River | AK |
| USSO9 | Stookey | IL |
| US5DR | Storden | MN |
| USSLB | Storm Lake | IA |
| USZST | Stormville | NY |
| USS7R | Storrie | CA |
| US9ST | Storrs | CT |
| USITY | Story City | IA |
| USTZI | Stotts City | MO |
| USSOU | Stoughton | MA |
| USJSK | Stockton | MO |
| USZOS | Stockton | NJ |
| US7SS | Stockton Springs | ME |
| US8SO | Stoddard | NH |
| USTDU | Stoddard | WI |
| USKVE | Stokesdale | NC |
| USSTO | Stone | SC |
| USSUM | Stone Mountain | GA |
| USOEK | Stone Park | IL |
| USYYR | Stone Ridge, Ulster | NY |
| USTOF | Stoneboro | PA |
| USSTU | Stoneham | MA |
| US8AM | Stoneham | ME |
| USSHT | Stonehurst | CA |
| USSTV | Stoneville | MS |
| USSVX | Stoneville | NC |
| USLA9 | Stonewall | LA |
| USSWL | Stonewall | MS |
| USS9E | Stonewall | TX |
| USXVS | Stonewood | WV |
| USSWO | Stillwater | OK |