Districts in the EN area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| EN1 | London | Enfield | 5 | 958 |
| EN2 | London | Enfield | 5 | 834 |
| EN3 | London | Enfield | 4 | 1,003 |
| EN4 | Barnet | Barnet | 3 | 566 |
| EN5 | Barnet | Barnet | 6 | 1,045 |
| EN6 | Potters Bar | Hertsmere | 6 | 873 |
| EN7 | Cheshunt | Broxbourne | 2 | 514 |
| EN8 | Cheshunt | Broxbourne | 5 | 913 |
| EN9 | Waltham Abbey | Epping Forest | 3 | 686 |
| EN10 | Hoddesdon | Broxbourne | 2 | 432 |
| EN11 | Hoddesdon | Broxbourne | 4 | 654 |
Main places in the EN area
- London
- Barnet
- Hoddesdon
- Cheshunt
- Potters Bar
- Waltham Abbey
- Waltham Cross
- Cuffley
- Goff's Oak
- Lower Nazeing
- Crews Hill
- South Mimms
- Bumble's Green
- Northaw
- Brookmans Park
- Ridge
- Breach Barns
- Broadley Common
- High Leigh
- Upshire
- High Beech
- Nazeing
- Botany Bay
- Dancers Hill
- Holyfield
- Aimes Green
- Bentley Heath
- Goose Green
- Kitts End
- Northaw Valley