| Code | Name | Region |
|---|---|---|
| USBQU | Berkeley | RI |
| USBHE | Berkeley Heights | NJ |
| USK2L | Berkeley Lake | GA |
| USBEI | Berkeley Springs | WV |
| USZKY | Berkley | MA |
| USBKL | Berkley | MI |
| USBIK | Berlin | CT |
| USBR8 | Berlin | KY |
| USM7D | Berlin | MA |
| USBCI | Berlin | MD |
| USBML | Berlin | NH |
| USXBT | Berlin | NJ |
| USBRI | Berlin | NY |
| USBR7 | Berlin | PA |
| USBRB | Berlin | WI |
| USZEI | Berlin Corners | VT |
| USIIQ | Berlin Heights | OH |
| USZBE | Berlin, Holmes | OH |
| USBQO | Benton | TN |
| US8EN | Benton | WI |
| USIJM | Benton City | WA |
| USBEH | Benton Harbor | MI |
| USBNT | Bentonville | AR |
| USBW3 | Benwood | WV |
| USBN7 | Benzonia | MI |
| USOWW | Beowawe | NV |
| USQCD | Berclair | TX |
| USBEU | Berea | KY |
| USEEA | Berea | OH |
| USQKF | Beresford | SD |
| US2BG | Bergen | NJ |
| USRGB | Bergen | NY |
| USBRF | Bergenfield | NJ |
| USB5G | Berger | MO |
| USBJG | Berger | TX |
| USBRH | Bergholtz | NY |
| USBHZ | Bergholz | OH |
| USJBK | Berkeley | CA |
| USB5R | Bens Run | WV |
| USBNM | Bensalem | PA |
| USBNV | Bensenville | IL |
| USBN6 | Benson | AZ |
| USQES | Benson | IL |
| USBBB | Benson | MN |
| USBNZ | Benson | NC |
| USB77 | Benson | VT |
| USB37 | Bent Mountain | VA |
| USVYL | Bentleyville | PA |
| USJJN | Benton | AL |
| USBXN | Benton | AR |