Lewis County Post Offices

9572 Main St
Beaver Falls, New York 13305

5158 State Route 410
Castorland, New York 13620

3109 Main St
Constableville, New York 13325

9886 State Route 12
Copenhagen, New York 13626

6915 Bank St
Croghan, New York 13327

6036 Main St
Glenfield, New York 13343

7651 N State St
Lowville, New York 13367

3864 Fulton St
Lyons Falls, New York 13368

5604 Whitaker Rd
Martinsburg, New York 13404

43889 State Route 3
Natural Bridge, New York 13665

7085 W Main St
Port Leyden, New York 13433

4205 State Route 26
Turin, New York 13473

1054 State Route 26
West Leyden, New York 13489

Lewis County

There are 13 US Post Offices in Lewis County serving a total of 23,647 residents equating to 1,819 residents per post office. It's estimated that approximately 37,743 packages are handled across the 13 county post offices annually. Lewis County is a county located in the U.S. state of New York. As of the 2010 census, the population was 27,087, making it the fourth-least populous county in New York. Its county seat is Lowville. The county is named after Morgan Lewis, the Governor of New York when the county was established."