Post Office Located at 309 Main St Unit 3, Islip, New York, NY, 11751-3453
#1031 out of 1 Post Offices in the State of New York
Islip in New York (NY), 11751-3453 is a city with a population of 89,167 people. Its residents have a median income of $73,022. The local post office is located at 309 Main St Unit 3, Islip. It handles an estimated 37,315,293 mails and 2,200,126 packages per year. It employs an estimated 150 staff.
Islip Post Office
NOTICE: The Service is an essential goverment service, and will remain open wherever possible
309 Main St Unit 3, Islip, New York, NY, 11751-3453
Contact Numbers
Phone: 631-581-7931
Fax: 631-224-1376
TTY: 877-889-2457
Toll-Free: 1-800-ASK-USPS
Hours
Bulk Mail Acceptance Hours
MONDAY
09:30:00 - 14:30:00
TUESDAY
09:30:00 - 14:30:00
WEDNESDAY
09:30:00 - 14:30:00
THURSDAY
09:30:00 - 14:30:00
FRIDAY
09:30:00 - 14:30:00
SATURDAY
Closed
SUNDAY
Closed
Retail Hours
MONDAY
09:00:00 - 17:00:00
TUESDAY
09:00:00 - 17:00:00
WEDNESDAY
09:00:00 - 17:00:00
THURSDAY
09:00:00 - 17:00:00
FRIDAY
09:00:00 - 17:00:00
SATURDAY
09:00:00 - 13:00:00
SUNDAY
Closed
Lobby Hours
MONDAY
05:00:00 - 17:30:00
TUESDAY
05:00:00 - 17:30:00
WEDNESDAY
05:00:00 - 17:30:00
THURSDAY
05:00:00 - 17:30:00
FRIDAY
05:00:00 - 17:30:00
SATURDAY
05:00:00 - 16:00:00
SUNDAY
Closed
Last Collection Hours
MONDAY
17:00:00
TUESDAY
17:00:00
WEDNESDAY
17:00:00
THURSDAY
17:00:00
FRIDAY
17:00:00
SATURDAY
15:00:00
SUNDAY
Closed
PO Box Access Hours
MONDAY
05:00:00 - 17:30:00
TUESDAY
05:00:00 - 17:30:00
WEDNESDAY
05:00:00 - 17:30:00
THURSDAY
05:00:00 - 17:30:00
FRIDAY
05:00:00 - 17:30:00
SATURDAY
05:00:00 - 16:00:00
SUNDAY
Closed
Pickup Services Hours
MONDAY
09:00:00 - 17:00:00
TUESDAY
09:00:00 - 17:00:00
WEDNESDAY
09:00:00 - 17:00:00
THURSDAY
09:00:00 - 17:00:00
FRIDAY
09:00:00 - 17:00:00
SATURDAY
09:00:00 - 13:00:00
SUNDAY
Closed
Call Referral Hours
MONDAY
09:00:00 - 17:00:00
TUESDAY
09:00:00 - 17:00:00
WEDNESDAY
09:00:00 - 17:00:00
THURSDAY
09:00:00 - 17:00:00
FRIDAY
09:00:00 - 17:00:00
SATURDAY
09:00:00 - 13:00:00
SUNDAY
Closed
Carrier Call Referral Hours
MONDAY
07:30:00 - 17:00:00
TUESDAY
07:30:00 - 17:00:00
WEDNESDAY
07:30:00 - 17:00:00
THURSDAY
07:30:00 - 17:00:00
FRIDAY
07:30:00 - 17:00:00
SATURDAY
07:30:00 - 14:00:00
SUNDAY
Closed
PO Box Delivery Hours
MONDAY
11:00:00
TUESDAY
11:00:00
WEDNESDAY
11:00:00
THURSDAY
11:00:00
FRIDAY
11:00:00
SATURDAY
11:00:00
SUNDAY
Closed
Global Express Guaranteed Hours
MONDAY
17:00:00
TUESDAY
17:00:00
WEDNESDAY
17:00:00
THURSDAY
17:00:00
FRIDAY
17:00:00
SATURDAY
13:00:00
SUNDAY
Closed
See More Hours
Services at this Location
- Business Reply Mail® Account
- Business Reply Mail New Permit
- Bulk Mail Acceptance
- Bulk Mail Account Balance
- Bulk Mail New Permit
- Burial Flags
- Call Referral
- Carrier Services
- Duck Stamps
- General Delivery
- Greeting Card Services
- Global Express Guaranteed®
- Label Broker®
- Money Orders (Domestic)
Online Services and Resources
- Print a Label with Postage
- Schedule a Pickup
- Buy Stamps
- Forward Mail
- Reserve or Renew a PO Box
- Schedule a Redelivery
- Mailing Requirements
- Media/Press Contacts
- Vandalism/Theft
Nearby Self-Service Kiosks
Nearby Alternate Locations
309 Main St Unit 3, Islip, New York, NY, 11751-3453 Post Office Estimates*
* These estimates were determined by taking the national statistics for each of these measures as provided by the USPS and then determining the proportion of that total for each city based on that city’s population according to the 2020 US Census.