| Locality | Post Code |
|---|---|
| Airy Hill, Saint Joseph | 21034 |
| Alley Road, Saint Joseph | 21032 |
| Andrews, Saint Joseph | 21047 |
| Auburn, Saint Joseph | 21036 |
| Bathsheba, Saint Joseph | 21025, 21027, 21043, 21054 |
| Beachmont, Saint Joseph | 21054 |
| Bissex, Saint Joseph | 21016 |
| Blackmans, Saint Joseph | 20034, 21036, 21039, 21047, 21050, … |
| Bloomsbury, Saint Joseph | 22003 |
| Bonwell, Saint Joseph | 21039 |
| Bonwell Road, Saint Joseph | 21053 |
| Bowling Alley, Saint Joseph | 21042 |
| Braggs Hill, Saint Joseph | 21032, 21036 |
| Branchbury, Saint Joseph | 21032, 21035, 21036 |
| Burke's Village, Saint Joseph | 21053 |
| Cadogan, Saint Joseph | 21021, 21032 |
| Cambridge, Saint Joseph | 21002, 21002, 21016 |
| Canbar House, Saint Joseph | 21030 |
| Canefield, Saint Joseph | 22003 |
| Castle Grant, Saint Joseph | 21036 |
| Cattlewash, Saint Joseph | 21017 |
| Chad Gap, Saint Joseph | 21034 |
| Chimborazo, Saint Joseph | 21020, 21021, 21032 |
| Church Road, Saint Joseph | 21029, 21042 |
| Church Village, Saint Joseph | 21042 |
| Claybury, Saint Joseph | 20034 |