| Code | Name | Region |
|---|---|---|
| USSQ3 | Brush Prairie | WA |
| USVDG | Brush Valley | PA |
| USVXB | Brushton | NY |
| USBCH | Brushvale | MN |
| USBL6 | Brusly | LA |
| USB6S | Brussels | WI |
| USBRY | Bryan | OH |
| USCFD | Bryan | TX |
| USYNT | Bryant | AR |
| US9BY | Bryant | WI |
| USBT2 | Bryant, Hamlin | SD |
| USBCE | Bryce | UT |
| USBYE | Bryn Mawr | PA |
| USQYS | Bryson | TX |
| USBYF | Bryson City | NC |
| USBUC | Buchanan | MI |
| USYUA | Buchanan | NM |
| USKCB | Buchanan | NY |
| USB5W | Brownville | NE |
| USQBV | Brownville | NY |
| US3BD | Brownwood | MO |
| USBWD | Brownwood | TX |
| USBCZ | Bruce | MS |
| USBZU | Bruce | SD |
| USBHI | Bruce | WI |
| USQBQ | Bruce Crossing | MI |
| USBUB | Bruceton | TN |
| USBCM | Bruceton Mills | WV |
| USBC8 | Bruceville | IN |
| USUCV | Bruceville | TX |
| USAGD | Brundidge | AL |
| USB6U | Bruno | AR |
| USSSI | Brunswick | GA |
| USWI7 | Brunswick | MD |
| USBU6 | Brunswick | MD |
| USNHZ | Brunswick | ME |
| USRU9 | Brunswick | MO |
| USBCK | Brunswick | OH |
| USQXY | Browns Mills | NJ |
| USJBJ | Browns Mills | NJ |
| USXCL | Browns Summit | NC |
| USQVY | Browns Valley | MN |
| USB2O | Brownsboro | AL |
| USBWB | Brownsburg | IN |
| US5BR | Brownstown | IL |
| USBXV | Brownstown | IN |
| USBQN | Brownstown | MI |
| USBR9 | Brownstown | PA |
| USOWT | Brownstown Township | MI |
| USQBR | Brownsville | FL |