Post offices in the 11788 ZIP code of Hauppauge, NY

The ZIP code 11788, situated in Hauppauge, NY, includes 2 post offices out of the 2 post offices located throughout the city. The listed operating hours indicate when retail services are available, providing a time when postal employees are available to assist customers. Often, the lobby areas remain open longer, granting access to PO boxes, package drop-off areas, and self-service Automated Postal Center (APC) machines for stamp purchases.The compilation is sorted first by city and then by the name of the post office, with Street View pictures of the post offices included whenever possible. Please contact us if you find an error, so that we can correct it.

Street View Image of Hauppauge Post Office in Hauppauge, NY

Hauppauge Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
960 Wheeler Rd Hauppauge, NY 11788-2847

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Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday 9:00 AM 12:00 PM
Sunday Closed
  • Stamps.com logo
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Street View Image of Hauppauge Industrial Park Post Office in Hauppauge, NY

Hauppauge Industrial Park Post Office is currently open

For parking and list of services available, visit the official USPS page for post this post office location.

Post office address
150 Oser Ave Hauppauge, NY 11788-3711

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Open hours
Day Open Close
Monday 9:00 AM 5:00 PM
Tuesday 9:00 AM 5:00 PM
Wednesday 9:00 AM 5:00 PM
Thursday 9:00 AM 5:00 PM
Friday 9:00 AM 5:00 PM
Saturday Closed
Sunday Closed
  • Stamps.com logo
    Buy postage online
    Discounted USPS and UPS rates of up to 84%.
    Promo code
    STAMPS100
    $100 value