| Code | Name | Region |
|---|---|---|
| USLXB | Lisbon | ME |
| USLW3 | Lindenwold | NJ |
| USZF9 | Lindenwood | IL |
| USZLN | Lindon | UT |
| USLSY | Lindsay | CA |
| USLZK | Lindsay | NE |
| USIDS | Lindsay | OK |
| USULU | Lindsay | TX |
| USLDB | Lindsborg | KS |
| USLIE | Lindside | WV |
| USDTM | Lindstrom | MN |
| USLL6 | Line Lexington | PA |
| USLIQ | Linesville | PA |
| USLNV | Lineville | AL |
| USLN4 | Lineville | IA |
| USZLF | Linfield | PA |
| USLI2 | Lingle | WY |
| USKW3 | Linkwood | MD |
| USLNJ | Linn | MO |
| USLQN | Linn | TX |
| USQLF | Linn Creek | MO |
| USLRK | Lincoln Rock | AK |
| US3QZ | Lincoln University | PA |
| USLCO | Lincolnshire | IL |
| USZLC | Lincolnton | GA |
| USLCT | Lincolnton | NC |
| US8IL | Lincolnville | ME |
| USLCW | Lincolnwood | IL |
| USZLJ | Lincroft | NJ |
| USYLD | Lind | WA |
| USLDL | Lindale | GA |
| USLID | Lindale | TX |
| USLNA | Linden | AL |
| USLYD | Linden | CA |
| USLDJ | Linden | NJ |
| USLDE | Linden | TN |
| USLI3 | Linden | TX |
| US6ML | Linden | WV |
| USDD6 | Linden Hill | NY |
| USLH4 | Lindenhurst | IL |
| USLDH | Lindenhurst | NY |
| US8LI | Limington | ME |
| USLIC | Limon | CO |
| USINN | Lincoln | AL |
| USINC | Lincoln | AR |
| USLLN | Lincoln | CA |
| USLCL | Lincoln | IL |
| USLQC | Lincoln | KS |
| USLCQ | Lincoln | MA |
| USLC7 | Lincoln | ME |