St. Lawrence County, located in the state of New York, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to St. Lawrence County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
13676
13677
13623
12980
13617
13669
13684
13691
13613
12967
13666
12922
13645
12914
13668
13662
13660
13690
12965
13681
13694
13658
13672
13696
13633
13654
13635
13648
13647
13630
13608
13667
13680
13646
13652
12927
12949
12973
13625
13695
13614
13664
13670
12930
12986
13642
13621
13687
13679
13697
13649
13639
13699
13678

To know more about St. Lawrence County, click the button below:

St. Lawrence County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in St. Lawrence County County?

There are approximately 54 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in St. Lawrence County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.