Mastic US Post Office

1450 Montauk Highway
Mastic, NY 11950
Phone: (631) 281-0275
Fax: (631) 226-5599
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Westbury US Post Office

360 Maple Avenue
Westbury - 11590
(516) 333-3598

Patchogue US Post Office

170 E Main St
Patchogue - 11772
(631) 475-8623

Eastport US Post Office

24 Eastport Manor Road
Eastport - 11941
(631) 325-1798

Yaphank US Post Office

5 E Main St
Yaphank - 11980
(631) 345-6829

Hauppauge US Post Office

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

Lake Grove US Post Office

1001 Hawkins Avenue
Lake Grove - 11755
(631) 588-7019

Bayport US Post Office

850 Montauk Highway
Bayport - 11705
(631) 472-7396

Sagaponack US Post Office

542 Sagg Main St
Sagaponack - 11962
(631) 537-9346

Orient US Post Office

980 Village Ln
Orient - 11957
(631) 323-9760

Nesconset US Post Office

226 Smithtown Blvd
Nesconset - 11767
(631) 265-3278