| Place | Postal Code |
|---|---|
| Aisby, East Midlands) | NG32 |
| Allington, East Midlands) | NG32 |
| Ancaster, East Midlands) | NG32 |
| Aslackby, East Midlands) | NG34 |
| Aslackby Fen, East Midlands) | NG34 0LE |
| Aunby, East Midlands) | PE9 |
| Barholm, East Midlands) | PE9 |
| Barkston, East Midlands) | NG32 |
| Barkston Heath, East Midlands) | NG32 2DF |
| Barrowby, East Midlands) | NG31, NG32 |
| Barrowby Stenwith, East Midlands) | NG32 2HE |
| Bassingthorpe, East Midlands) | NG33 4EB |
| Baston, East Midlands) | PE6 |
| Postal Codes in Lincolnshire | |
|---|---|
| Boston | |
| East Lindsey | |
| Lincoln | |
| North Kesteven | |
| South Holland | |
| South Kesteven | |
| West Lindsey | |