| Code | Name | Region |
|---|---|---|
| USNBL | New Bloomfield | MO |
| US7NB | New Bloomington | OH |
| USNBW | New Boston | MI |
| USNW8 | New Boston | MO |
| USB5T | New Boston | NH |
| USNBX | New Boston | TX |
| US6RE | New Braintree | MA |
| USNHB | New Braunfels | TX |
| USUXI | New Bremen | OH |
| USNBI | New Brighton | MN |
| USNET | New Brighton | PA |
| USNWT | New Britain | CT |
| USNXB | New Britain | PA |
| USBW5 | New Brockton | AL |
| USNBJ | New Brunswick | NJ |
| USNB3 | New Buffalo | MI |
| USNB6 | New Buffalo | PA |
| USNWC | New Canaan | CT |
| USNCY | New Caney | TX |
| USQWB | New Albany | OH |
| USNJA | New Albany | PA |
| USN4W | New Albin | IA |
| USNA3 | New Alexandria | PA |
| USAU4 | New Auburn | MN |
| USNUB | New Auburn | WI |
| USN7G | New Augusta | IN |
| USNA2 | New Augusta | MS |
| USNDI | New Baden | IL |
| USNBT | New Baltimore | MI |
| USNB9 | New Baltimore | PA |
| USNB8 | New Baltimore | VA |
| USEFC | New Bedford | IL |
| USNBD | New Bedford | MA |
| US8LL | New Berlin | IL |
| USNBR | New Berlin | NY |
| USNUY | New Berlin | PA |
| USNBB | New Berlin | WI |
| USEWN | New Bern | NC |
| USNPC | Neptune City | NJ |
| USOZX | Nerstrand | MN |
| USNXZ | Nesbit | MS |
| USNES | Nesconset | NY |
| USNE3 | Nescopeck | PA |
| USNSN | Neshanic Station | NJ |
| USNZT | Nesmith | SC |
| USN2M | Nespelem | WA |
| USNSQ | Nesquehoning | PA |
| USNCJ | Ness City | KS |
| USNEQ | Netcong | NJ |
| USNTO | Nettleton | MS |