| Code | Name | Region |
|---|---|---|
| USB4G | Benton | GA |
| USBTQ | Benton | IL |
| USNQT | Benton | KS |
| USZBO | Benton | KY |
| USBN3 | Benton | LA |
| USBTZ | Benton | ME |
| USBM5 | Benton | MS |
| USBT8 | Benton | PA |
| USVDR | Belvidere | TN |
| USBE3 | Belvidere Center | VT |
| USB5V | Belvue | KS |
| USBEZ | Belzoni | MS |
| US7BM | Bement | IL |
| USBJI | Bemidji | MN |
| USBS8 | Bemis | TN |
| USBEN | Bena | VA |
| US8BE | Benbrook | TX |
| USBZO | Bend | OR |
| USRDM | Bend-redmond Apt | OR |
| USNDT | Benedict | ND |
| USBNJ | Bengies | MD |
| USBNC | Benicia | CA |
| USBO6 | Bennet | NE |
| USEN8 | Bennett | CO |
| USBTN | Bennettsville | SC |
| USB96 | Bennington | NE |
| USGGT | Bennington | NH |
| USBGN | Bennington | VT |
| USBMT | Belmont | OH |
| USZBM | Belmont | PA |
| USIQT | Belmont | TX |
| USXXB | Belmont | WI |
| US4BM | Belmont | WV |
| USBT7 | Beloit | IL |
| USVBT | Beloit | KS |
| USAFJ | Beloit | OH |
| USBOT | Beloit | WI |
| USBEP | Belpre | OH |
| USBPL | Belton | KY |
| USBZE | Belton | MO |
| USYBT | Belton | SC |
| USXCZ | Belton | TX |
| USBES | Beltsville | MD |
| USBVU | Beluga | AK |
| USVD7 | Belvedere | CA |
| USBVJ | Belvidere | IL |
| USVD9 | Belvidere | NE |
| USXBU | Belvidere | NJ |
| USBWF | Bellows Falls | VT |
| USBPP | Bellport | NY |