| Locality | Post Code |
|---|---|
| Bokiddick | PL30 5HP |
| Bolingey | TR6 |
| Bolventor | PL15 |
| Booby's Bay | PL28 8SH |
| Boscastle | PL35 |
| Boscundle | PL25 |
| Bosleake | TR15 3YG |
| Bosoughan | TR8 4ND |
| Bossiney | PL34 |
| Bosullow | TR20 |
| Boswinger | PL26 6LL |
| Botus Fleming | PL12 |
| Bowithick | PL15 7SH |
| Bowling Green | PL26 8RN |
| Boyton | PL15 |
| Braddock | PL22 |
| Bray Shop | PL17 |
| Brazacott | PL15 8NE |
| Brea | TR14 |
| Breage | TR13 |
| Brentfields | PL13 |
| Bridge | TR16, TR9 |
| Bridge Moor | TR16 |
| Bridges | PL30 5EF |
| Buckshead | TR1, TR5 |
| Bude | EX23 |