Mattituck US Post Office

140 Love Ln
Mattituck, NY 11952
Phone: (631) 298-1364
Fax: (631) 226-5599
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Old Bethpage US Post Office

696 Old Bethpage Road
Old Bethpage - 11804
(516) 249-2915

Mt. Sinai US Post Office

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

Shelter Island US Post Office

45 N Ferry Road
Shelter Island - 11964
(631) 749-1857

Albertson US Post Office

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

Bridgehampton US Post Office

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

Jericho US Post Office

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

Merrick US Post Office

2040 Merrick Road
Merrick - 11566
(516) 378-7087

Hewlett US Post Office

1245 Hewlett Placez
Hewlett - 11557
(516) 374-0973

Copiague US Post Office

695 Marconi Blvd
Copiague - 11726
(631) 842-9084

East Setauket US Post Office

450 Route 25a
East Setauket - 11733
(631) 941-4005