| Locality | Post Code |
|---|---|
| Belle Haven, Fairfield | 06830 |
| Bethel, Fairfield | 06801 |
| Botsford, Fairfield | 06404 |
| Bridgeport, Fairfield | 06602, 06604, 06605, 06606, 06607, … |
| Brookfield, Fairfield | 06804 |
| Cos Cob, Fairfield | 06807 |
| Danbury, Fairfield | 06810, 06811, 06813 |
| Darien, Fairfield | 06820 |
| East Norwalk, Fairfield | 06855 |
| Easton, Fairfield | 06612 |
| Fairfield, Fairfield | 06824, 06825 |
| Georgetown, Fairfield | 06829 |
| Glenbrook, Fairfield | 06906 |
| Glenville, Fairfield | 06831 |
| Greens Farms, Fairfield | 06838 |
| Greenwich, Fairfield | 06830, 06831, 06836 |
| Hawleyville, Fairfield | 06440 |
| Huntington, Fairfield | 06484 |
| Monroe, Fairfield | 06468 |
| New Canaan, Fairfield | 06840 |
| New Fairfield, Fairfield | 06812 |
| Newtown, Fairfield | 06470 |
| Noroton, Fairfield | 06820 |
| Noroton Heights, Fairfield | 06820 |
| Norwalk, Fairfield | 06850, 06851, 06853, 06854, 06855 |
| Old Greenwich, Fairfield | 06870 |
| Connecticut Postal Codes | |
|---|---|
| Windham | Tolland |
| New London | New Haven |
| Middlesex | Litchfield |
| Hartford | Fairfield |