West Islip Post Office

480 Union Blvd, West Islip, NY 11795

Contact Numbers

Phone: 631-669-5157
Fax: 631-422-3724
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 5:30am - 5:30pm
Tuesday 5:30am - 5:30pm
Wednesday 5:30am - 5:30pm
Thursday 5:30am - 5:30pm
Friday 5:30am - 5:30pm
Saturday 5:30am - 4:30pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:00pm
Sunday Closed

Passport Walk-In Hours

Monday 9:00am - 9:30am
Tuesday 9:00am - 9:30am
Wednesday 9:00am - 9:30am
Thursday 9:00am - 9:30am
Friday 9:00am - 9:30am
Saturday 9:00am - 9:30am
Sunday Closed

Passport Appointment Hours

Monday 9:30am - 2:30pm
Tuesday 9:30am - 2:30pm
Wednesday 9:30am - 2:30pm
Thursday 9:30am - 2:30pm
Friday 9:30am - 2:30pm
Saturday 9:30am - 1:00pm
Sunday Closed

  • Visit our Passport FAQ page for a complete overview of what to bring, what you need to know, and how long it will take.
  • You will need two forms of Identification with copies.
  • A passport quality photo. Available at location.
  • The appropriate application form printed and filled out, and the required fee for applying or renewing.
  • You can find up to date costs, information, and forms at the State Departments Travel Site

*Appointments are required outside of walk-in hours to apply for or renew US Passports. Please Call or schedule online.

Bulk Mail Acceptance Hours

Monday 9:00am - 3:00pm
Tuesday 9:00am - 3:00pm
Wednesday 9:00am - 3:00pm
Thursday 9:00am - 3:00pm
Friday 9:00am - 3:00pm
Saturday Closed
Sunday Closed

  • 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
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Passport Acceptance
  • Passport Photo
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking
  • Passport Appointment Hours

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Babylon
110 Cooper St
1.0 mile away

Brightwaters
145 Orinoco Dr
1.4 miles away

North Babylon
1196 Deer Park Ave
1.5 miles away

Bay Shore
1314 5th Ave
1.7 miles away

Reviews

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Called West Islip Post Office today, and the lovely lady who answered the phone and answered my questions could not have been more accommodating. Thank you.
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Please make the hole smaller in the drop-off mailbox due to it being too large items can mistakenly drop in Ex: glasses,cellphone and keys
4 • •
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No handicap accessibility. A simple ramp to the side of the 3 steps would be great. I have to lift an 80 pound baby stroller if I dare to have the baby with me. I can't imaging how those with physical handicaps make due.
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