| Paddy Hill, Jefferson |
13615 |
| Pamelia, Jefferson |
13637 |
| Pamelia Four Corners, Jefferson |
13637 |
| Perch River, Jefferson |
13634 |
| Philadelphia, Jefferson |
13673 |
| Pierrepont Manor, Jefferson |
13674 |
| Pillar Point, Jefferson |
13634 |
| Plessis, Jefferson |
13675 |
| Point Vivian, Jefferson |
13607 |
| Redwood, Jefferson |
13679 |
| Rodman, Jefferson |
13682 |
| Rural Hill, Jefferson |
13650 |
| Rutland, Jefferson |
13638 |
| Sackets Harbor, Jefferson |
13685 |
| Saint Lawrence Park, Jefferson |
13607 |
| Sherwin Bay, Jefferson |
13634 |
| Smithville, Jefferson |
13605 |
| Stone Mills, Jefferson |
13656 |
| Theresa, Jefferson |
13691 |
| Thousand Island Park, Jefferson |
13692 |
| Three Mile Bay, Jefferson |
13693 |
| Watertown, Jefferson |
13601, 13603 |
| Wegatchie, Jefferson |
13608 |
| Wellesley Island, Jefferson |
13640 |
| West Carthage, Jefferson |
13619 |
| Westminster Park, Jefferson |
13607 |