Fishers Island US Post Office

1 Oriental Avenue
Fishers Island, NY 06390
Phone: (631) 788-7835
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Centereach US Post Office

245 Centereach Mall
Centereach - 11720
(631) 588-7069

East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283

Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson - 11777
(631) 473-1065

Hauppauge US Post Office

150 Oser Avenue
Hauppauge - 11788
(631) 231-3155

Mastic US Post Office

1450 Montauk Highway
Mastic - 11950
(631) 281-0275

North Bellmore US Post Office

2465 Jerusalem Avenue
North Bellmore - 11710
(516) 785-0676

Brightwaters US Post Office

145 Orinoco Dr
Brightwaters - 11718
(631) 206-4855

Hauppauge US Post Office

960 Wheeler Road
Hauppauge - 11788
(631) 360-6712

Commack US Post Office

150 Veterans Memorial Highway
Commack - 11725
(631) 543-3647

New Hyde Park US Post Office

2038 Hillside Avenue
New Hyde Park - 11040
(516) 354-5685