East Setauket US Post Office

101 Main St
Setauket, NY 11733
Phone: (631) 941-4042
Fax: (516) 766-5845
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New Suffolk US Post Office

375 1st St
New Suffolk - 11956
(631) 734-6271

Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station - 11776
(631) 473-2751

Holbrook US Post Office

445 Furrows Road
Holbrook - 11741
(631) 588-0226

Mt. Sinai US Post Office

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

Garden City US Post Office

600 Franklin Avenue
Garden City - 11530
(516) 747-2201

Calverton US Post Office

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

New Hyde Park US Post Office

1001 2nd Avenue
New Hyde Park - 11040
(516) 354-6024

Elmont US Post Office

798 Meacham Avenue
Elmont - 11003
(516) 887-6247

East Norwich US Post Office

1001 Oyster Bay Road
East Norwich - 11732
(516) 922-8283

Brookhaven US Post Office

2512 Montauk Highway
Brookhaven - 11719
(631) 286-1591