Massapequa US Post Office

80 Atlantic Avenue
Oceanside, NY 11572
Other Locations
Phone: (516) 766-5829
Fax: (516) 766-7585
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Roslyn Heights US Post Office

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

Brentwood US Post Office

25 2nd Avenue
Brentwood - 11717
(631) 273-0947

Floral Park US Post Office

35 Tulip Avenue
Floral Park - 11001
(516) 616-5184

Stony Brook US Post Office

129 Main St
Stony Brook - 11790
(631) 751-5691

Great River US Post Office

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

Speonk US Post Office

323 Montauk Highway
Speonk - 11972
(631) 325-1741

Old Bethpage US Post Office

696 Old Bethpage Road
Old Bethpage - 11804
(516) 249-2915

Island Park US Post Office

367 Long Beach Road
Island Park - 11558
(516) 432-9537

Upton US Post Office

2 Center St
Upton - 11973
(631) 344-2539

Bethpage US Post Office

288 Grumman Road W
Bethpage - 11714
(516) 349-5000