Fair Harbor US Post Office

100 Bay Walk
Fair Harbor, NY 11706
Phone: (631) 583-7080
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Upton US Post Office

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

Brookhaven US Post Office

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

Jericho US Post Office

425 N Broadway
Jericho - 11753
(516) 681-6248

Glenwood Landing US Post Office

123 Glenwood Road
Glenwood Landing - 11547
(516) 676-8452

Mattituck US Post Office

140 Love Ln
Mattituck - 11952
(631) 298-1364

St. James US Post Office

325 Lake Avenue
St James - 11780
(631) 584-4138

East Setauket US Post Office

101 Main St
Setauket - 11733
(631) 941-4042

Bethpage US Post Office

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

Huntington US Post Office

16 New York Avenue
Huntington - 11743
(631) 423-5880

Southold US Post Office

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