EN — 11 codes dans 40 localités (Royaume-Uni).
| Code postal | Localité / Quartier | Zone administrative | Coordonnées |
|---|---|---|---|
| Enfield | Greater London · England | 51.6515, -0.085 | |
| Broxbourne | Hertfordshire · England | 51.7471, -0.0192 | |
| Turnford | Hertfordshire · England | 51.7398, -0.0217 | |
| Wormley | Hertfordshire · England | 51.7324, -0.0242 | |
| Hailey | Hertfordshire · England | 51.7654, -0.0091 | |
| Hoddesdon | Hertfordshire · England | 51.7615, -0.0114 | |
| Rye Park | Hertfordshire · England | 51.7654, -0.0091 | |
| Spitalbrook | Hertfordshire · England | 51.7654, -0.0091 | |
| Forty Hill | Greater London · England | 51.6515, -0.085 | |
| Enfield | Greater London · England | 51.6515, -0.085 | |
| Capel Manor | Greater London · England | 51.6515, -0.085 | |
| Botany Bay | Greater London · England | 51.6515, -0.085 | |
| Ponders End | Greater London · England | 51.6445, -0.0465 | |
| Cockfosters | Greater London · England | 51.6493, -0.1482 | |
| East Barnet | Greater London · England | 51.6357, -0.156 | |
| Enfield Chase | Greater London · England | 51.6506, -0.158 | |
| Hadley Wood | Greater London · England | 51.6667, -0.1698 | |
| Trent Park | Greater London · England | 51.6506, -0.158 | |
| Wrotham Park | Greater London · England | 51.652, -0.1943 | |
| New Barnet | Greater London · England | 51.6497, -0.1753 | |
| High Barnet | Greater London · England | 51.6562, -0.2077 | |
| Monken Hadley | Greater London · England | 51.652, -0.1943 | |
| Barnet | Greater London · England | 51.65, -0.2 | |
| Arkley | Greater London · England | 51.652, -0.1943 | |
| Cuffley | Hertfordshire · England | 51.708, -0.1121 | |
| Northaw | Hertfordshire · England | 51.7034, -0.148 | |
| Potters Bar | Hertfordshire · England | 51.6935, -0.1783 | |
| Ridge | Hertfordshire · England | 51.6891, -0.2444 | |
| South Mimms | Hertfordshire · England | 51.6959, -0.2327 | |
| Hammond Street | Hertfordshire · England | 51.7119, -0.0689 | |
| Goff's Oak | Hertfordshire · England | 51.7119, -0.0689 | |
| Flamstead End | Hertfordshire · England | 51.7119, -0.0689 | |
| Churchgate | Hertfordshire · England | 51.7119, -0.0689 | |
| Cheshunt | Hertfordshire · England | 51.7079, -0.0374 | |
| Waltham Cross | Hertfordshire · England | 51.6891, -0.0333 | |
| Broadley Common | Essex · England | 51.7059, 0.0297 | |
| Bumble's Green | Essex · England | 51.7059, 0.0297 | |
| Lower Nazeing | Essex · England | 51.7059, 0.0297 | |
| Nazeing | Essex · England | 51.7403, 0.0471 | |
| Upshire | Essex · England | 51.6903, 0.046 | |
| Waltham Abbey | Essex · England | 51.687, -0.0042 |