Roslyn Heights US Post Office

66 Mineola Avenue
Roslyn Heights, NY 11577
Phone: (516) 621-8050
Fax: (516) 766-5845
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Quogue US Post Office

6 Midland St
Quogue - 11959
(631) 653-6427

Syosset US Post Office

40 Queens St
Syosset - 11791
(516) 921-0746

Valley Stream US Post Office

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

Lawrence US Post Office

12 Bayview Avenue
Lawrence - 11559
(516) 239-2834

Port Washington US Post Office

1051 Port Washington Blvd
Port Washington - 11050
(516) 883-0754

North Babylon US Post Office

1196 Deer Park Avenue
North Babylon - 11703
(631) 667-4693

Sag Harbor US Post Office

21 Long Island Avenue
Sag Harbor - 11963
(631) 725-8968

East Hampton US Post Office

291 Springs Fireplace Road
East Hampton - 11937
(631) 324-0790

Rocky Point US Post Office

346 Route 25a # 84
Rocky Point - 11778
(631) 744-0635

Jamesport US Post Office

1451 Route 25
Jamesport - 11947
(631) 722-5946