| Code | Name | Region |
|---|---|---|
| GBNWA | Newarthill | NLK |
| GBNGI | Newbiggin | NBL |
| GBNBC | Newbiggin By The Sea | NBL |
| GBNEB | Newbold | DBY |
| GBNGH | Newborough | STS |
| GBNWR | Newbridge | CAY |
| GBNWB | Newbridge | EDH |
| GBNGW | Newbridge On Wye | POW |
| GBNBU | Newburgh | FIF |
| GBNBY | Newbury | WBK |
| GBNEY | Newby | NYK |
| GBNCS | Newcastle | DOW |
| GBNCY | Newcastle Emlyn | CMN |
| GBNUL | Newcastle Under Lyme | STS |
| GBNCL | Newcastle Upon Tyne | NET |
| GBNCE | Newcastle-under-lyme | STS |
| GBNTE | Netherton | DUD |
| GBNBI | Nethy Bridge | HLD |
| GBNTT | Nettlebed | OXF |
| GBNEV | Nevern | PEM |
| GBARL | New Alresford | HAM |
| GBNBT | New Barnet | BNE |
| GBNCP | New Chapel | SRY |
| GBNCX | New Cross | LEW |
| GBNDS | New Duston | NTH |
| GBNGY | New Galloway | DGY |
| GBNHO | New Holland | NLN |
| GBNYH | New Hythe | KEN |
| GBNMA | New Malden | KTT |
| GBZCI | New Maldon | SRY |
| GBZCJ | New Mills | DBY |
| GBEWS | New Mills | DBY |
| GBNLS | New Mills | POW |
| GBNMN | New Milton | HAM |
| GBNRN | New Romney | KEN |
| GBXNW | New Tredegar | CAY |
| GBNNO | Naunton | GLS |
| GBNAW | Nawton | NYK |
| GBNAZ | Nazeing | ESS |
| GBNEH | Neap House | NLN |
| GBNDE | Neasden | BEN |
| GBNEA | Neath | NTL |
| GBNHD | Neatishead | NFK |
| GBXNE | Nechells | BIR |
| GBNHM | Needham Market | SFK |
| GBNEF | Nefyn | GWN |
| GBNSN | Neilston | ERW |
| GBNLN | Nelson | LAN |
| GBNSA | Ness | ELS |
| GBNEC | Nesscliffe | SHR |