Madison County Post Office

Find Madison 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.


Canastota Post Office 118 South Peterboro Street Canastota NY 13032 315-697-7717


Cazenovia Post Office 24 Lincklaen Street Cazenovia NY 13035 315-655-3133

Chittenango Post Office 1001 Genesee Turnpike Chittenango NY 13037 315-687-9412

Clockville Post Office 7247 Oxbow Road Canastota NY 13032 315-697-8113

De Ruyter Post Office 1639 Cortland Street DeRuyter NY 13052 315-852-9515

Eaton Post Office 4084 State Rte 26 Eaton NY 13334 315-684-9500

Erieville Post Office 3643 Eaton Brook Road Erieville NY 13061 315-662-7410

Georgetown Post Office 1008 State Rte 26 Georgetown NY 13072 315-837-4470

Hamilton Post Office 32 Broad Street Hamilton NY 13346 315-824-2350

Hubbardsville Post Office 2434 Poolville Road Hubbardsville NY 13355 315-691-2300

Knoxboro Post Office 5585 Knoxboro Road Munnsville NY 13409 315-843-7371

Leonardsville Post Office 2008 Route 8 Leonardsville NY 13364 315-855-4300

Morrisville Post Office 18 Eaton Street Hamilton NY 13346 315-684-9188

Munnsville Post Office 6188 Valley Mills Road Munnsville NY 13409 315-495-2944

New Woodstock Post Office 2607 School Street New Woodstock NY 13122 315-662-7429

Oneida Post Office 133 Farrier Avenue Oneida NY 13421 315-363-4210

Peterboro Post Office 4667 Peterboro Road Morrisville NY 13408 315-684-9566

Wampsville Post Office 137 North Court Street Canastota NY 13032 315-363-6397

West Eaton Post Office 3328 Highway 26 West Eaton NY 13484 315-684-3865

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.