GREAT RIVER, NY Post Office
62 RIVER RD GREAT RIVER, NY 11739 - 9700
Lot Parking Available
Phone 631-581-7680
Fax 631-224-1375
TTY 877-889-2457
GREAT RIVER, NY Post Office Hours
- Mon-Fri 9:00am - 5:00pm
- Sat 9:00am - 1:00pm
- Sun Closed
GREAT RIVER Lobby Hours
- Mon-Fri 6:00am - 6:00pm
- Sat 6:00am - 1:00pm
- Sun Closed
Last Collection Hours
- Mon-Fri 4:30pm
- Sat 12:45pm
- Sun Closed
PO Box Access Hours
- Mon-Fri 6:00am - 6:00pm
- Sat 6:00am - 1:00pm
- Sun Closed
GREAT RIVER Pickup Services Hours
- Mon-Fri 9:00am - 5:00pm
- Sat 9:00am - 1:00pm
- Sun Closed
Global Express Guaranteed Hours
- Mon-Fri 5:00pm
- Sat 1:00pm
- Sun Closed
GREAT RIVER Post Office On-Site Services
- Bulk Mail Acceptance
- Bulk Mail Account Balance
- Bulk Mail New Permit
- Burial Flags
- Business Line
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- Duck Stamps
- General Delivery
- Global Express Guaranteed®
- Label Broker (Retail)
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Money Orders (International)
- PO Box Online
- Pickup Accountable Mail
- Pickup Hold Mail
- Priority Mail International®