| Port Code | Port Name | Country |
| USBSJ | Bristol | United States |
| USBSK | Basking Ridge | United States |
| USBSL | Bay Saint Louis | United States |
| USBSM | Big Sandy | United States |
| USBSN | Boston | United States |
| USBSO | Bristol Apt | United States |
| USBSP | Bartlett Springs | United States |
| USBSQ | Bisbee | United States |
| USBSR | Bossier City | United States |
| USBSS | Bassett | United States |
| USBST | Bean Station | United States |
| USBSU | Bonner Springs | United States |
| USBSV | Blairs | United States |
| USBSW | Boswell Bay | United States |
| USBSX | Bristol | United States |
| USBSY | Broussard, Lafayette | United States |
| USBSZ | Bartletts | United States |
| USBTA | Batavia | United States |
| USBTB | Boonton | United States |
| USBTC | Braintree | United States |
| USBTD | Bettendorf | United States |
| USBTE | Bethune | United States |
| USBTF | Bountiful | United States |
| USBTG | Bethel | United States |
| USBTH | Bath | United States |
| USBTI | Barter Island | United States |
| USBTJ | Bethel | United States |
| USBTK | Botkins | United States |
| USBTL | Battle Creek | United States |
| USBTM | Butte | United States |
| USBTN | Bennettsville | United States |
| USBTO | Brighton Heights | United States |
| USBTP | Butler | United States |
| USBTQ | Benton | United States |
| USBTR | Baton Rouge | United States |
| USBTS | Batesville | United States |
| USBTT | Bettles | United States |
| USBTU | Burt | United States |
| USBTV | Burlington | United States |
| USBTW | Bethany | United States |
| USBTX | Bethany | United States |
| USBTY | Beatty | United States |
| USBTZ | Benton | United States |
| USBUA | Bradbury | United States |
| USBUC | Buchanan | United States |
| USBUD | Bude | United States |
| USBUE | Buena | United States |
| USBUF | Buffalo | United States |
| USBUG | Buffalo Lake | United States |
| USBUH | Burlington | United States |
| USBUI | Butler | United States |
| USBUJ | Butler | United States |
| USBUK | Burbank | United States |
| USBUL | Blue Lake | United States |
| USBUM | Butler | United States |
| USBUN | Buena Park | United States |
| USBUO | Beaumont | United States |
| USBUP | Bucksport | United States |
| USBUQ | Burr Oak | United States |
| USBUR | Burbank | United States |
| USBUS | Buras | United States |
| USBUT | Burton | United States |
| USBUU | Burlington | United States |
| USBUV | Burtonsville | United States |
| USBUW | Burlington | United States |
| USBUX | Batavia | United States |
| USBUY | Blauvelt | United States |
| USBUZ | Buckley | United States |
| USBVA | Beaver Dam | United States |
| USBVB | Bellville | United States |
| USBVD | Beaver Inlet | United States |
| USBVE | Bellevue | United States |
| USBVF | Beaver Falls | United States |
| USBVH | Beverly Hills | United States |
| USBVI | Breinigsville | United States |
| USBVJ | Belvidere | United States |
| USBVK | Belleville | United States |
| USBVL | Boonville | United States |
| USBVM | Boonville | United States |
| USBVN | Belle Vernon | United States |
| USBVO | Bartlesville | United States |
| USBVP | Brookville | United States |
| USBVQ | Boonville | United States |
| USBVR | Beverly | United States |
| USBVS | Buena Vista | United States |
| USBVT | Belmont | United States |
| USBVU | Beluga | United States |
| USBVV | Berryville | United States |
| USBVW | Beaverton | United States |
| USBVX | Batesville | United States |
| USBVY | Beverly | United States |
| USBVZ | Batesville | United States |
| USBWA | Brookwood | United States |
| USBWB | Brownsburg | United States |
| USBWC | Brawley | United States |
| USBWD | Brownwood | United States |
| USBWE | Brentwood | United States |
| USBWF | Bellows Falls | United States |
| USBWG | Bowling Green | United States |
| USBWI | Washington-Baltimore Int Apt | United States |