The Area Codes of United Kingdom:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Nairn | 01667 (+441667) |
| 2. | Narberth | 01834 (+441834) |
| 3. | Neath | 01639 (+441639) |
| 4. | New Galloway | 01644 (+441644) |
| 5. | New Luce | 01581 (+441581) |
| 6. | New Mills | 01663 (+441663) |
| 7. | Newark-on-Trent | 01636 (+441636) |
| 8. | Newbury | 01635 (+441635) |
| 9. | Newcastle (Northern Ireland) | 02843 (+442843) |
| 10. | Newmarket | 01638 (+441638) |
| 11. | Newport | 01633 (+441633) |
| 12. | Newquay | 01637 (+441637) |
| 13. | Newry (Northern Ireland) | 02830 (+442830) |
| 14. | Newton Abbot | 01626 (+441626) |
| 15. | Newton Stewart | 01671 (+441671) |
| 16. | Newtownstewart (Northern Ireland) | 02881 (+442881) |
| 17. | North Berwick | 01620 (+441620) |
| 18. | North Walsham | 01692 (+441692) |
| 19. | Northallerton | 01609 (+441609) |
| 20. | Northampton | 01604 (+441604) |
| 21. | Northern Ireland | 028 (+4428) |
| 22. | Northwich | 01606 (+441606) |
| 23. | Norwich | 01603 (+441603) |
| 24. | Nottingham | 0115 (+44115) |