| Locality | Post Code |
|---|---|
| Basking Ridge, Somerset | 07920 |
| Bedminster, Somerset | 07921 |
| Belle Mead, Somerset | 08502 |
| Bernardsville, Somerset | 07924 |
| Blawenburg, Somerset | 08504 |
| Bound Brook, Somerset | 08805 |
| Branchburg, Somerset | 08853, 08876 |
| Bridgewater, Somerset | 08807 |
| East Millstone, Somerset | 08873 |
| Far Hills, Somerset | 07931 |
| Finderne, Somerset | 08876 |
| Flagtown, Somerset | 08821 |
| Franklin, Somerset | 08873 |
| Franklin Park, Somerset | 08823 |
| Gladstone, Somerset | 07934 |
| Hillsborough, Somerset | 08844 |
| Kingston, Somerset | 08528 |
| Liberty Corner, Somerset | 07938 |
| Lyons, Somerset | 07939 |
| Manville, Somerset | 08835 |
| Martinsville, Somerset | 08836 |
| Middlebush, Somerset | 08873 |
| Millstone, Somerset | 08844 |
| Montgomery, Somerset | 08502, 08558 |
| Neshanic Station, Somerset | 08853 |
| North Branch, Somerset | 08876 |