Clinton County Post Office

Find Clinton County New York post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


Altona Post Office 499 Devils Den Road Altona NY 12910 518-236-7463


Au Sable Forks Post Office 35 Forge Street Au Sable Forks NY 12912 518-647-5591

Cadyville Post Office 2106 Highway 3 Cadyville NY 12918 518-293-7510

Champlain Post Office 880 U.s. 11 Champlain NY 12919 518-298-3341

Chazy Post Office 9578 U.s. 9 Chazy NY 12921 518-846-7230

Churubusco Post Office 1306 Clinton Mills Road Churubusco NY 12923 518-497-6717

Dannemora Post Office 1079 Cook Street Saranac NY 12981 518-492-7115

Ellenburg Center Post Office 40 Brandy Brook Road Ellenburg Center NY 12934 518-594-7011

Ellenburg Depot Post Office 4959 U.s. 11 Ellenburg Depot NY 12935 518-594-3940

Ellenburg Post Office 16 St Edmunds Way Ellenburg NY 12933 518-594-7128

Lyon Mountain Post Office 8 Langey Street Lyon Mountain NY 12952 518-735-4747

Mooers Forks Post Office 3071 U.s. 11 Mooers Forks NY 12959 518-236-7380

Mooers Post Office 2578 U.s. 11 Mooers NY 12958 518-236-7377

Morrisonville Post Office 1934 Route 22B Morrisonville NY 12962 518-561-7496

Peru Post Office 742 Bear Swamp Road Peru NY 12972 518-643-8126

Plattsburgh Post Office 10 Miller Street Plattsburgh NY 12901 518-563-1450

Redford Post Office 4314 Highway 3 Redford NY 12978 518-293-8820

Rouses Point Post Office 9 Chapman Street Rouses Point NY 12979 518-297-4231

Saranac Post Office 3439 Highway 3 Saranac NY 12981 518-293-7550

Schuyler Falls Post Office 954 Route 22B Schuyler Falls NY 12985 518-643-6675

West Chazy Post Office 7634 New York 22 West Chazy NY 12992 518-493-6381

About Post Offices

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.