| Code | Name | Region |
|---|---|---|
| USYEW | Bay View | WI |
| USB8V | Bay Village | OH |
| US5BD | Bayard | IA |
| USBYD | Bayard | NE |
| USBYJ | Bayard | WV |
| USYFI | Bayfield | CO |
| USBFI | Bayfield | WI |
| USYBP | Bayonet Point | FL |
| USBAY | Bayonne | NJ |
| USBYU | Bayou La Batre | AL |
| USVI9 | Bayou Vista | LA |
| USBPB | Bayport | MN |
| USBPZ | Bayport | NY |
| USBPX | Bayport | TX |
| US8BH | Bayshore | NC |
| USB3Y | Bayside | NY |
| USBY6 | Bayside | TX |
| USUYD | Bayside | WI |
| USBYX | Baxley | GA |
| USAXQ | Baxter | IA |
| USAXT | Baxter | MN |
| USBXR | Baxter | TN |
| USBSG | Baxter Springs | KS |
| USB8Y | Bay Center | WA |
| USBCY | Bay City | MI |
| USYIY | Bay City | OR |
| USBBC | Bay City | TX |
| USYBZ | Bay City | WI |
| USMBS | Bay City-saginaw-midland Apt | MI |
| USBH9 | Bay Harbor Islands | FL |
| US982 | Bay Head | NJ |
| USBY9 | Bay Lake | FL |
| USBYT | Bay Meadows | GA |
| USBME | Bay Minette | AL |
| US8AY | Bay Pines | FL |
| USZA3 | Bay Point | CA |
| USBP5 | Bay Port | MI |
| USBSL | Bay Saint Louis | MS |
| USBVZ | Batesville | MS |
| US8BT | Batesville | TX |
| USBTH | Bath | ME |
| USJAH | Bath | MI |
| USAFH | Bath | NC |
| USQBH | Bath | NH |
| USATH | Bath | NY |
| USBQH | Bath | PA |
| USXBP | Bath | SC |
| USBTR | Baton Rouge | LA |
| USQBN | Batson | TX |
| USAFV | Battenville | NY |