| Locality | Post Code |
|---|---|
| Ashby-Cum-Fenby | DN37 |
| Aylesby | DN37 |
| Barnoldby-Le-Beck | DN37 |
| Beelsby | DN37 |
| Beesby | DN36 5RP |
| Bradley | DN37 |
| Brigsley | DN37 |
| Cleethorpes | DN35 |
| East Ravendale | DN37 |
| Europarc | DN37 9TZ |
| Great Coates | DN37 |
| Grimsby | DN31, DN32, DN33, DN34, DN37 |
| Habrough | DN40 |
| Hatcliffe | DN37 |
| Hawerby | DN36 5PX |
| Healing | DN41 |
| Humberston | DN36 |
| Immingham | DN40 |
| Immingham Dock | DN40 |
| Irby | DN37 |
| Laceby | DN37 |
| Little London | DN41 |
| New Waltham | DN36 |
| Old Clee | DN32 8LR, DN32 8NB |
| Scartho | DN33 |
| Scartho Top | DN33 |