Hauppauge Industrial Park Post Office

150 Oser Ave, Hauppauge, NY 11788

Contact Numbers

Phone: 631-231-3155
Fax: 631-348-4583
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Burial Flags
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

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:

Commack
150 Veterans Memorial Hwy
1.4 miles away

Brentwood
25 2nd Ave
1.6 miles away

Hauppauge
960 Wheeler Rd
1.9 miles away

Central Islip
110 E Suffolk Ave
2.5 miles away

Reviews

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Dear Sirs i am waiting for a package destination that departed from your facility on March 27 and whose tracking number is UJ001535228US. I can't track it anymore. Could you please give me some explanations? I need it urgently. Thank you Sirs.
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