EN postcode area
The EN area holds 11 districts and 8,478 live postcodes; its largest place is Enfield Town.
| District | Live postcodes | Largest place with its centre there |
|---|---|---|
| EN1 | 958 | — |
| EN2 | 834 | Enfield Town |
| EN3 | 1,003 | Enfield Lock |
| EN4 | 566 | Hadley Wood |
| EN5 | 1,045 | Barnet |
| EN6 | 873 | Potters Bar |
| EN7 | 514 | — |
| EN8 | 913 | Cheshunt |
| EN9 | 686 | Waltham Abbey |
| EN10 | 432 | Broxbourne |
| EN11 | 654 | Hoddesdon |
Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0. Postcode data is the ONS Postcode Directory, August 2026 edition; counts are live postcodes with a usable location. Northern Ireland postcodes carry a separate licence and are not included; Scotland joins when the site's Scottish coverage does.