Hauppauge, NY Post Offices
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11788
Post Office Address Phone Hours HAUPPAUGE 960 WHEELER RD HAUPPAUGE, NY 11788 - 2847 631-360-7229 Mon-Fri 09:00 AM - 05:00 PM Sat 09:00 AM - 12:00 PM Sun Closed HAUPPAUGE INDUSTRIAL PARK 150 OSER AVE HAUPPAUGE, NY 11788 - 3711 631-231-3155 Mon-Fri 09:00 AM - 05:00 PM Sat Closed Sun Closed