Black River Post Office

Find Black River 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.


Black River Post Office 28553 Highway 3 Black River NY 13612 315-773-5000


Felts Mills Post Office 24456 Main Street Felts Mills NY 13638 1.9 miles from Black River 315-773-4435

Calcium Post Office 24841 County Road 138 Calcium NY 13616 2.4 miles from Black River 315-788-1881

Fort Drum Post Office 10720 Mount Belvedere Boulevard Fort Drum NY 13602 2.5 miles from Black River 315-772-5220

Great Bend Post Office 32675 Route 26 Carthage NY 13619 4.3 miles from Black River 315-493-1517

Evans Mills Post Office 8496 Leray Street Evans Mills NY 13637 5.4 miles from Black River 315-629-4820

Deferiet Post Office 43 Anderson Avenue Carthage NY 13619 5.9 miles from Black River 315-493-0363

Watertown Post Office 232 Commerce Park Drive Watertown NY 13601 7.4 miles from Black River 315-786-5900

Brownville Post Office 118 Brown Boulevard Watertown NY 13601 9.3 miles from Black River 315-788-3390

Carthage Post Office 521 State Street Carthage NY 13619 9.6 miles from Black River 315-493-3600

Copenhagen Post Office 9886 Route 12 Copenhagen NY 13626 9.9 miles from Black River 315-688-2920

Philadelphia Post Office 2 South Main Street Philadelphia NY 13673 10.4 miles from Black River 315-642-3476

Dexter Post Office 612 Brown Street Dexter NY 13634 12.3 miles from Black River 315-639-6946

Fineview Post Office 44392 County Rte 191 NY 13640 12.8 miles from Black River 315-482-3700

Rodman Post Office 12509 School Street Rodman NY 13682 13.2 miles from Black River 315-232-4451

Theresa Post Office 112 Commercial Street Theresa NY 13691 14.3 miles from Black River 315-628-5991

Adams Center Post Office 13346 North Street Adams Center NY 13606 14.6 miles from Black River 315-583-5811

La Fargeville Post Office 36327 Highway 180 La Fargeville NY 13656 15.3 miles from Black River 315-658-9911

Natural Bridge Post Office 43889 Highway 3 Natural Bridge NY 13665 15.5 miles from Black River 315-644-4331

Depauville Post Office 32523 New York 12 Chaumont NY 13622 16.1 miles from Black River 315-686-3040

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.