| Code | Name | Region |
|---|---|---|
| USBE7 | Beaver Creek | OR |
| USQBJ | Beaver Creek | OR |
| USB9C | Beaver Crossing | NE |
| USBD3 | Beaver Dam | KY |
| USBEV | Beaver Dam | OH |
| USBVA | Beaver Dam | WI |
| USBVF | Beaver Falls | NY |
| USBFP | Beaver Falls | PA |
| US9BL | Beals | ME |
| USIAZ | Beaman | IA |
| USBAP | Bean City | FL |
| USBST | Bean Station | TN |
| USAGC | Bear | DE |
| USBCC | Bear Creek | AK |
| USBCR | Bear Creek | AL |
| USIBK | Bear Creek | WI |
| USUHY | Bear River City | UT |
| USVKZ | Bear Valley | CA |
| USBJD | Bearden | AR |
| USBEA | Beardstown | IL |
| USBY4 | Beasley | TX |
| USBE6 | Beatrice | AL |
| USBIE | Beatrice | NE |
| USBTY | Beatty | NV |
| USBCQ | Beattystown | NJ |
| USYVK | Beattyville | KY |
| USBFO | Beaufort | NC |
| USBFT | Beaufort | SC |
| USHPY | Baytown | TX |
| USB3A | Bayview | CT |
| USBQX | Bayville | NJ |
| USYBV | Bayville | NY |
| US8BY | Bayway | NJ |
| USFZI | Bazine | KS |
| USEAC | Beach | ND |
| USBH7 | Beach City | OH |
| US7BC | Beach City | TX |
| USEHX | Beach Haven | NJ |
| USB22 | Beachwood | MA |
| USJWD | Beachwood | NJ |
| USBEQ | Beachwood | OH |
| USB4E | Beacon | IA |
| USBCN | Beacon | NY |
| USBEK | Beacon Falls | CT |
| USBAH | Beacon Hills | NY |
| USZA4 | Beale Air Force Base | CA |
| USVAA | Bealeton | VA |
| USB4V | Beallsville | MD |
| USBSH | Bay Shore | NY |
| USYIN | Bay Springs | MS |