St. James US Post Office

325 Lake Avenue
St James, NY 11780
Phone: (631) 584-4138
Fax: (631) 360-0532
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Roosevelt US Post Office

1 Babylon Turnpike
Roosevelt - 11575
(516) 378-6973

Great River US Post Office

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

Northport US Post Office

240 Main St
Northport - 11768
(631) 261-6941

Jamesport US Post Office

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

Greenvale US Post Office

37 Northern Blvd
Greenvale - 11548
(516) 621-7163

Wheatley Heights US Post Office

6 Colonial Springs Road
Wheatley Heights - 11798
(631) 643-3913

Rocky Point US Post Office

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

Bridgehampton US Post Office

2322 Montauk Highway
Bridgehampton - 11932
(631) 537-9322

Hauppauge US Post Office

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

Calverton US Post Office

3690 Middle Country Road
Calverton - 11933
(631) 727-0067