Lindenhurst US Post Office

65 E Hoffman Avenue
Lindenhurst, NY 11757
Phone: (631) 226-6914
Fax: (631) 226-5599
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Albertson US Post Office

860 Willis Avenue
Albertson - 11507
(516) 746-3512

Roslyn Heights US Post Office

66 Mineola Avenue
Roslyn Heights - 11577
(516) 621-8050

Mastic US Post Office

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

Great River US Post Office

62 River Road
Great River - 11739
(631) 581-7680

Valley Stream US Post Office

111 S Franklin Avenue
Valley Stream - 11580
(516) 825-8739

Mt. Sinai US Post Office

457 Route 25a
Mt Sinai - 11766
(631) 928-0394

Commack US Post Office

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

Hampton US Post Office

16 Ponquogue Avenue
Hampton Bays - 11946
(631) 728-6994

East Hampton US Post Office

12 Gay Road
East Hampton - 11937
(631) 324-6320

Huntington US Post Office

16 New York Avenue
Huntington - 11743
(631) 423-5880