Port Jefferson Station US Post Office

544 Jefferson Placeaza
Port Jefferson Station, NY 11776
Phone: (631) 473-2751
Fax: (516) 845-7406
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North Baldwin US Post Office

1620 Grand Avenue
North Baldwin - 11510
(516) 223-5710

New Suffolk US Post Office

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

East Marion US Post Office

9165 Main Road
East Marion - 11939
(631) 477-1668

Deer Park US Post Office

375 Carlls Path
Deer Park - 11729
(631) 667-6490

Albertson US Post Office

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

Ridge US Post Office

1700 Middle Country Road
Ridge - 11961
(631) 345-6842

Southold US Post Office

710 Traveler St
Southold - 11971
(631) 765-4027

Mastic Beach US Post Office

110 Mastic Road
Mastic Beach - 11951
(631) 281-0359

Wainscott US Post Office

357 Montauk Highway
Wainscott - 11975
(631) 537-8943

Peconic US Post Office

2575 Peconic Ln
Peconic - 11958
(631) 765-9348