East Islip Post Office

11 Greenwood Ave East Islip, NY 11730
Phone: 631-581-7807

Parking: Street Parking
Post Office Lobby Hours
Monday 5:15am - 5:45pm
Tuesday 5:15am - 5:45pm
Wednesday 5:15am - 5:45pm
Thursday 5:15am - 5:45pm
Friday 5:15am - 5:45pm
Saturday 5:30am - 3:00pm
Sunday Closed


East Islip Post Office is a United States Postal Service (USPS) facility in East Islip, NY. This post office offers a full array of services, including package delivery and first class mail.


Business Reply Mail® Account Balance
Business Reply Mail New Permit
Bulk Mail New Permit
Burial Flags
Bulk Mail Acceptance
Bulk Mail Account Balance
Carrier Services
Duck Stamps
Greeting Card Services
Global Express Guranteed®
Money Orders (Domestic)
Money Orders (Inquiry)
Money Orders (International)
Pickup Hold Mail
Pickup Accountable Mail
PO Boxes
Priority Mail International®

Passport Services at East Islip Post Office

East Islip Post Office can accept first-time passport applications, and can facilitate passport renewals. You can schedule an appointment at this post office by calling 631-581-7807 or schedule an appointment online using the Online Scheduling Tool. When you go to your appointment to apply for a new passport, you will need to bring the following items with you to the post office:

  1. A completed U.S. Passport Application form (DS-11)
  2. Proof of U.S. Citizenship. You will need to present original physical documentation proving your citizenship status (for example, your birth certificate). In addition, you will need to bring a photocopy of the document.
  3. Proof of Identity. You will need to show, for example, a driver's license. In addition, you will need to bring a photocopy of this identification document.
  4. A recent color photograph (a "passport photo") which must show the front of your face, and be 2x2 inches in size. East Islip Post Office does have passport photo services, and, for a fee, your photo can be taken there.

See this resource from the U.S. Department of State for full instructions on how to apply in person, including the full list of documents that can be used as proof of U.S. citizenship, and the full list of acceptable identification documents.

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