Port Jefferson US Post Office

407 E Main St # 17
Port Jefferson, NY 11777
Phone: (631) 473-1065
Fax: (516) 845-7406
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Williston Park US Post Office

446 Willis Avenue
Williston Park - 11596
(516) 746-3247

Shirely US Post Office

800 Montauk Highway # 1
Shirley - 11967
(631) 281-0479

Jamesport US Post Office

70 2nd St
South Jamesport - 11970
(631) 722-4317

Copiague US Post Office

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

Glen Cove US Post Office

2 Glen Cove Avenue
Glen Cove - 11542
(516) 671-7847

Huntington US Post Office

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

Nesconset US Post Office

226 Smithtown Blvd
Nesconset - 11767
(631) 265-3278

Plandome US Post Office

155 Stonytown Road
Plandome - 11030
(516) 627-3747

Uniondale US Post Office

1000 Front St
Uniondale - 11553
(516) 481-8245

Atlantic Beach US Post Office

2009 Park St
Atlantic Beach - 11509
(516) 239-1178