List of US Post Office Locations in Jefferson County | |||||
|---|---|---|---|---|---|
| Name | Address | County | Hours | Phone | |
| Adams | 27 E Church St, Adams, NY 13605 | Jefferson County | Mo-Fr 08:30-13:00,14:00-17:00 Sa 09:00-11:00 | +1 315-232-2312 | |
| Adams Center | 13346 North St, Adams Center, NY 13606 | Jefferson County | Mo-Fr 08:30-13:00,14:30-17:00 Sa 08:30-11:30 | +1 315-583-5811 | |
| Alexandria Bay | 15 Bethune St, Alexandria Bay, NY 13607 | Jefferson County | Mo-Fr 08:30-11:30,12:30-17:00 Sa 09:00-12:00 | +1 315-482-9521 | |
| Antwerp | 50 Main St, Antwerp, NY 13608 | Jefferson County | Mo-Fr 08:00-12:00 Sa 09:00-11:30 | +1 315-659-8651 | |
| Belleville | 8279 NY-289, Belleville, NY 13611 | Jefferson County | Mo-Fr 09:00-13:00 Sa 08:00-11:45 | +1 315-846-5000 | |
| Black River | 28553 State Rte 3, Black River, NY 13612 | Jefferson County | Mo-Fr 08:00-11:00,12:00-17:00 Sa 08:00-12:00 | +1 315-773-5000 | |
| Brownville | 118 Brown Blvd, Brownville, NY 13615 | Jefferson County | Mo-Fr 09:30-13:00,14:30-17:00 Sa 09:30-11:45 | +1 315-788-3390 | |
| Calcium | 24841 Sanford Corners Rd, Calcium, NY 13616 | Jefferson County | Mo-Fr 08:00-12:00,13:30-16:45 Sa 09:00-11:00 | +1 315-788-1881 | |
| Cape Vincent | 362 Broadway St, Cape Vincent, NY 13618 | Jefferson County | Mo-Fr 09:30-13:30,14:00-16:30 Sa 09:30-11:30 | +1 315-654-2424 | |
| Carthage | 521 State St, Carthage, NY 13619 | Jefferson County | Mo-Fr 08:30-16:30 Sa 08:30-11:30 | +1 315-493-3600 | |
| Chaumont | 12061 NY-12E, Chaumont, NY 13622 | Jefferson County | Mo-Fr 09:30-12:00,13:30-16:45 Sa 10:00-12:00 | +1 315-649-5225 | |
| Clayton | 236 John St, Clayton, NY 13624 | Jefferson County | Mo-Fr 09:00-12:00,13:00-16:30 Sa 09:00-12:00 | +1 315-686-3311 | |
| Depauville | 32523 NY-12, Depauville, NY 13632 | Jefferson County | Mo-Fr 08:00-12:00 Sa 08:00-11:30 | +1 315-686-3040 | |
| Dexter | 612 Brown St, Dexter, NY 13634 | Jefferson County | Mo-Fr 08:30-11:00,12:30-17:00 Sa 09:00-12:00 | +1 315-639-6946 | |
| Ellisburg | 12109 NY-193, Ellisburg, NY 13636 | Jefferson County | Mo-Fr 08:00-12:00 Sa 08:15-11:00 | +1 315-846-5511 | |
| Evans Mills | 8496 Leray St, Evans Mills, NY 13637 | Jefferson County | Mo-Fr 09:30-13:30,14:30-16:45 Sa 09:30-11:00 | +1 315-629-4820 | |
| Felts Mills | 24456 Main St, Felts Mills, NY 13638 | Jefferson County | Mo-Fr 08:00-12:00 Sa 08:00-10:30 | +1 315-773-4435 | |
| Fineview | , , NY 13640 | Jefferson County | Mo-Fr 08:15-12:00,13:00-16:45 Sa 09:00-11:00 | +1 315-482-3700 | |
| Fishers Landing | 18064 Reed Point Rd, Fishers Landing, NY 13641 | Jefferson County | Mo-Fr 09:00-11:00 Sa 08:00-09:45 | +1 315-686-5008 | |
| Fort Drum | 10760 Enduring Freedom Dr, Fort Drum, NY 13602 | Jefferson County | Mo-Fr 09:15-16:15 Sa 09:00-12:00 | +1 315-772-5220 | |
| Frontenac | 15749 Round Island, , NY 13624 | Jefferson County | Mo-Sa 09:00-10:30 | +1 315-686-3311 | |
| Great Bend | 32675 State Rte 26, Great Bend, NY 13643 | Jefferson County | Mo-Fr 08:00-13:00,14:00-16:45 Sa 08:00-11:45 | +1 315-493-1517 | |
| Grenell | 16498 Grenell Island, , NY 13624 | Jefferson County | Mo-Sa 09:00-10:30 | +1 315-686-3311 | |
| Henderson | 8872 NY-178, Henderson, NY 13650 | Jefferson County | Mo-Fr 08:00-12:00,13:00-15:00 Sa 08:00-11:30 | +1 315-938-5321 | |
| Henderson Harbor | 13190 County Rte 123, , NY 13651 | Jefferson County | Mo-Fr 08:00-12:00 Sa 08:00-11:45 | +1 315-938-5023 | |
| La Fargeville | 36327 NY-180, La Fargeville, NY 13656 | Jefferson County | Mo-Fr 08:45-12:00,13:00-15:45 Sa 09:00-11:00 | +1 315-658-9911 | |
| Lorraine | County Rte 93, Lorraine, NY 13659 | Jefferson County | Mo-Fr 08:00-12:00 Sa 09:00-11:45 | +1 315-232-4938 | |
| Mannsville | 306 S Main St, Mannsville, NY 13661 | Jefferson County | Mo-Fr 08:00-12:00 Sa 08:00-11:15 | +1 315-465-4065 | |
| Murray Isle | 42650 Murray Island, , NY 13624 | Jefferson County | Mo-Sa 09:00-10:30 | +1 315-686-3311 | |
| Natural Bridge | 43889 State Rte 3, Natural Bridge, NY 13665 | Jefferson County | Mo-Fr 08:00-12:00 Sa 08:00-11:45 | +1 315-644-4331 | |
| Philadelphia | 2 S Main St, Philadelphia, NY 13673 | Jefferson County | Mo-Fr 09:00-12:30,14:00-16:30 Sa 09:00-11:00 | +1 315-642-3476 | |
| Pierrepont Manor | 4685 US-11, Pierrepont Manor, NY 13674 | Jefferson County | Mo-Fr 08:00-12:00 Sa 08:00-10:45 | +1 315-465-6995 | |
| Redwood | 43711 NY-37, Redwood, NY 13679 | Jefferson County | Mo-Fr 08:00-12:00,13:00-15:00 Sa 08:30-11:00 | +1 315-482-3121 | |
| Rodman | 12509 School St, Rodman, NY 13682 | Jefferson County | Mo-Fr 08:00-12:00 Sa 08:00-10:45 | +1 315-232-4451 | |
| Sackets Harbor | 107 W Main St, Sackets Harbor, NY 13685 | Jefferson County | Mo-Fr 09:00-13:00,14:30-17:00 Sa 09:00-12:00 | +1 315-646-2100 | |
| Theresa | 112 Commercial St, Theresa, NY 13691 | Jefferson County | Mo-Fr 07:45-11:00,12:00-14:45 Sa 09:00-11:00 | +1 315-628-5991 | |
| Three Mile Bay | 8685 NY-12E, Three Mile Bay, NY 13693 | Jefferson County | Mo-Fr 08:00-12:00 Sa 08:00-11:45 | +1 315-649-5830 | |
| Watertown | 232 Commerce Park Dr, Watertown, NY 13601 | Jefferson County | +1 315-786-5900 | ||
| Watertown | 232 Commerce Park Dr, Watertown, NY 13601 | Jefferson County | Mo-Fr 09:00-18:00 Sa 09:00-13:00 | +1 315-786-5982 | |