Hauppauge US Post Office

150 Oser Avenue
Hauppauge, NY 11788
Phone: (631) 231-3155
Fax: (516) 487-2508
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Shirely US Post Office

800 Montauk Highway # 1
Shirley - 11967
(631) 281-0479

Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station - 11776
(631) 473-2751

Remsenburg US Post Office

137 S Country Road
Remsenburg - 11960
(631) 325-5937

Sea Cliff US Post Office

200 Sea Cliff Avenue
Sea Cliff - 11579
(516) 671-8258

Westhampton Beach US Post Office

170 Main St
Westhampton Beach - 11978
(631) 288-4093

East Meadow US Post Office

446 E Meadow Avenue
East Meadow - 11554
(516) 794-4509

North Baldwin US Post Office

1620 Grand Avenue
North Baldwin - 11510
(516) 223-5710

Williston Park US Post Office

446 Willis Avenue
Williston Park - 11596
(516) 746-3247

Ronkonkoma US Post Office

200 Hawkins Avenue
Ronkonkoma - 11779
(631) 588-0301

Bay Shore US Post Office

1314 5th Avenue
Bay Shore - 11706
(631) 969-3504